Prefix 1-240-200 | County District of Columbia | City Washington | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-201 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-203 | County Washington | City Hagerstown | Carrier Sprint Spectrum L.p. - Md |
Prefix 1-240-204 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-205 | County Howard | City Annapolis Junction | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-206 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-207 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-208 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-209 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-210 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-212 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-213 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-214 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-215 | County Frederick | City Ijamsville | Carrier Telcove Operations, Inc. - Md |
Prefix 1-240-216 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-217 | County Frederick | City Frederick | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-218 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-219 | County Fairfax | City Vienna | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-220 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-221 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-222 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-223 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-224 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-225 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-228 | County Prince Georges | City Laurel | Carrier Verizon Maryland, Inc. |
Prefix 1-240-229 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-230 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-231 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-232 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-233 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-234 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-235 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-236 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-237 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-238 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-239 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-241 | County District of Columbia | City Washington | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-242 | County Prince Georges | City Lanham | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-243 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-244 | County District of Columbia | City Washington | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-245 | County District of Columbia | City Washington | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-246 | County Prince Georges | City Lanham | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-247 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-248 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-249 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-250 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-251 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-252 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-253 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-254 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-255 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-256 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-257 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-258 | County Fairfax | City McLean | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-260 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-261 | County Fairfax | City Vienna | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-262 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-263 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-264 | County Prince Georges | City Beltsville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-265 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-266 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-267 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-268 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-269 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-270 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-271 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-272 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-273 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-274 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-275 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-276 | County Montgomery | City Gaithersburg | Carrier Verizon Maryland, Inc. |
Prefix 1-240-277 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-278 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-279 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-280 | County Manassas City | City Manassas | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-281 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-282 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-283 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-284 | County Washington | City Hagerstown | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-285 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-286 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-287 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-288 | County Washington | City Hagerstown | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-289 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-290 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-291 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-292 | County Fairfax | City McLean | Carrier Verizon Maryland, Inc. |
Prefix 1-240-293 | County Fairfax | City McLean | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-294 | County Manassas City | City Manassas | Carrier Xo Maryland, Llc |
Prefix 1-240-295 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-296 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-297 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-298 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-299 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-300 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-302 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-303 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-304 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-305 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-306 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-307 | County Washington | City Hagerstown | Carrier At&t Local |
Prefix 1-240-308 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-309 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-310 | County Frederick | City Monrovia | Carrier Uscoc Of Cumberland, Inc. Dba United States Cel Md |
Prefix 1-240-312 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-313 | County Washington | City Hagerstown | Carrier Verizon Maryland, Inc. |
Prefix 1-240-314 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-315 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-316 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-317 | County District of Columbia | City Washington | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-318 | County Manassas City | City Manassas | Carrier Verizon Maryland, Inc. |
Prefix 1-240-319 | County Baltimore City | City Baltimore | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-320 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-321 | County Allegany | City Cumberland | Carrier Uscoc Of Cumberland, Inc. Dba United States Cel Md |
Prefix 1-240-322 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-323 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-324 | County Baltimore City | City Baltimore | Carrier Ymax Communications Corp. - Md |
Prefix 1-240-325 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-326 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-327 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-328 | County Prince Georges | City Beltsville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-329 | County Frederick | City Frederick | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-330 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-331 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-332 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-333 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-334 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-335 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-336 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-337 | County Fairfax | City Vienna | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-338 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-339 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-340 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-341 | County Frederick | City Frederick | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-342 | County Prince Georges | City Lanham | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-343 | County Washington | City Hagerstown | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-344 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-345 | County Baltimore City | City Baltimore | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-346 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-347 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-348 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-349 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-350 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-351 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-352 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-353 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-354 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-355 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-356 | County Frederick | City Frederick | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-357 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-358 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-359 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-360 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-361 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-362 | County Allegany | City Cumberland | Carrier Verizon Maryland, Inc. |
Prefix 1-240-363 | County Fairfax | City Vienna | Carrier Global Naps South, Inc. - Md |
Prefix 1-240-364 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-365 | County Fairfax | City Vienna | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-366 | County Washington | City Hagerstown | Carrier At&t Local |
Prefix 1-240-367 | County Frederick | City Frederick | Carrier Sprint Spectrum L.p. |
Prefix 1-240-368 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-369 | County Frederick | City Mount Airy | Carrier Core Communications, Inc. - Md |
Prefix 1-240-370 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-371 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-372 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-373 | County Anne Arundel | City Odenton | Carrier Verizon Maryland, Inc. |
Prefix 1-240-374 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-375 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-376 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-377 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-378 | County Frederick | City Frederick | Carrier Core Communications, Inc. - Md |
Prefix 1-240-379 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-380 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-381 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-382 | County Washington | City Hagerstown | Carrier Teleport Communications America, Llc - Md |
Prefix 1-240-383 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-384 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-385 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-386 | County Montgomery | City Gaithersburg | Carrier Verizon Maryland, Inc. |
Prefix 1-240-387 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-388 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-389 | County District of Columbia | City Washington | Carrier Atx Telecommunications Services, Ltd |
Prefix 1-240-390 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-391 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-392 | County Fairfax | City McLean | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-393 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-394 | County Washington | City Hagerstown | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-395 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-396 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-397 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-398 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-399 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-400 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-401 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-402 | County Fairfax | City Reston | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-403 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-404 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-405 | County Frederick | City Frederick | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-406 | County District of Columbia | City Washington | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-407 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-408 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-409 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-412 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-413 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-414 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-415 | County Frederick | City Frederick | Carrier Ymax Communications Corp. - Md |
Prefix 1-240-416 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-417 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-418 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-419 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-420 | County Washington | City Hagerstown | Carrier Verizon Maryland, Inc. |
Prefix 1-240-421 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-422 | County Frederick | City Frederick | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-423 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-424 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-425 | County Fairfax | City Vienna | Carrier Dslnet Communications Va, Inc. - Md |
Prefix 1-240-426 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-427 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-428 | County District of Columbia | City Washington | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-429 | County Prince Georges | City Hyattsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-430 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-431 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-432 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-433 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-434 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-435 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-436 | County Frederick | City Ijamsville | Carrier Telcove Operations, Inc. - Md |
Prefix 1-240-437 | County Prince Georges | City Beltsville | Carrier Xo Maryland, Llc |
Prefix 1-240-438 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-439 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-440 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-441 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-442 | County Garrett | City Oakland | Carrier Verizon Maryland, Inc. |
Prefix 1-240-444 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-445 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-446 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-447 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-448 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-449 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-450 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-451 | County Allegany | City Cumberland | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-452 | County Washington | City Hagerstown | Carrier Lumos Networks Inc. - Va |
Prefix 1-240-453 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-454 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-455 | County Loudoun | City Sterling | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-456 | County Prince Georges | City Laurel | Carrier Verizon Maryland, Inc. |
Prefix 1-240-457 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-458 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-459 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-460 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-461 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-462 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-463 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-464 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-465 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-466 | County District of Columbia | City Washington | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-467 | County Prince Georges | City Beltsville | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-468 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-469 | County Washington | City Hagerstown | Carrier Sprint Spectrum L.p. - Md |
Prefix 1-240-470 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-471 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-472 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-473 | County Fairfax | City Herndon | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-474 | County Prince Georges | City Beltsville | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-475 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-476 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-477 | County Manassas City | City Manassas | Carrier Lightwave Communications, Llc - Md |
Prefix 1-240-478 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-479 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-480 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-481 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-482 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-483 | County District of Columbia | City Washington | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-484 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-485 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-486 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-487 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-488 | County Washington | City Hagerstown | Carrier Shentel Communications, Llc - Md |
Prefix 1-240-489 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-490 | County Frederick | City Frederick | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-491 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-492 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-493 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-494 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-495 | County Prince Georges | City Hyattsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-496 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-497 | County Montgomery | City Chevy Chase | Carrier Verizon Maryland, Inc. |
Prefix 1-240-498 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-499 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-500 | County Frederick | City Monrovia | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-501 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-502 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-503 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-504 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-505 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-506 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-507 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-508 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-509 | County Baltimore City | City Baltimore | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-510 | County Prince Georges | City Beltsville | Carrier Xo Maryland, Llc |
Prefix 1-240-512 | County Baltimore City | City Baltimore | Carrier Core Communications, Inc. - Md |
Prefix 1-240-513 | County Washington | City Hagerstown | Carrier Sprint Spectrum L.p. - Md |
Prefix 1-240-514 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-515 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-516 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-517 | County Baltimore City | City Baltimore | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-518 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-519 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-520 | County Washington | City Hagerstown | Carrier Sprint Spectrum L.p. - Md |
Prefix 1-240-522 | County Frederick | City Monrovia | Carrier Sprint Spectrum L.p. |
Prefix 1-240-523 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-524 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-525 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-526 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-527 | County Frederick | City Monrovia | Carrier Verizon Maryland, Inc. |
Prefix 1-240-528 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-529 | County Frederick | City Monrovia | Carrier Verizon Maryland, Inc. |
Prefix 1-240-530 | County Montgomery | City Silver Spring | Carrier Local Access Llc - Md |
Prefix 1-240-531 | County District of Columbia | City Washington | Carrier Telnyx Llc |
Prefix 1-240-532 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-533 | County District of Columbia | City Washington | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-534 | County Montgomery | City Chevy Chase | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-535 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-536 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-537 | County Allegany | City Cumberland | Carrier Atlantech Online, Inc. - Md |
Prefix 1-240-538 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-539 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-540 | County Baltimore City | City Baltimore | Carrier Wide Voice, Llc - Md |
Prefix 1-240-541 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-542 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-543 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-544 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-545 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-546 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-547 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-548 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-549 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-550 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-551 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-552 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-553 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-554 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-555 | County | City | Carrier Verizon Maryland, Inc. |
Prefix 1-240-556 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-557 | County Fairfax | City Vienna | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-558 | County District of Columbia | City Washington | Carrier Cavalier Telephone Mid-atlantic, Llc - Md |
Prefix 1-240-559 | County District of Columbia | City Washington | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-560 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-561 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-562 | County District of Columbia | City Washington | Carrier Mcimetro Access Transmission Services Llc |
Prefix 1-240-563 | County District of Columbia | City Washington | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-564 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-565 | County Baltimore City | City Baltimore | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-566 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-567 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-568 | County Prince Georges | City Laurel | Carrier Verizon Maryland, Inc. |
Prefix 1-240-569 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-570 | County Baltimore City | City Baltimore | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-572 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-573 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-575 | County Frederick | City Frederick | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-577 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-578 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-580 | County Allegany | City Cumberland | Carrier Sprint Spectrum L.p. |
Prefix 1-240-581 | County District of Columbia | City Washington | Carrier Paetec Communications, Inc. - Dc |
Prefix 1-240-582 | County District of Columbia | City Washington | Carrier Verizon Maryland, Inc. |
Prefix 1-240-583 | County Prince Georges | City Beltsville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-585 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-586 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-587 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-592 | County Prince Georges | City Laurel | Carrier Verizon Maryland, Inc. |
Prefix 1-240-593 | County Baltimore City | City Baltimore | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-595 | County Prince Georges | City Hyattsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-597 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-599 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-600 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-601 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-602 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-603 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-604 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-605 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-606 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-607 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-608 | County Frederick | City Frederick | Carrier 365 Wireless, Llc |
Prefix 1-240-609 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-612 | County Prince Georges | City Laurel | Carrier Level 3 Telecom Of Maryland, Llc - Md |
Prefix 1-240-613 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-614 | County Prince Georges | City Beltsville | Carrier Metro Pcs, Inc. |
Prefix 1-240-615 | County Prince Georges | City Beltsville | Carrier Metro Pcs, Inc. |
Prefix 1-240-616 | County Prince Georges | City Beltsville | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-617 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-618 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-619 | County Manassas City | City Manassas | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-620 | County Howard | City Annapolis Junction | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-621 | County District of Columbia | City Washington | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-623 | County District of Columbia | City Washington | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-624 | County District of Columbia | City Washington | Carrier Verizon Maryland, Inc. |
Prefix 1-240-625 | County Frederick | City Monrovia | Carrier Sprint Spectrum L.p. |
Prefix 1-240-626 | County Frederick | City Frederick | Carrier Sprint Spectrum L.p. |
Prefix 1-240-627 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-629 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-630 | County District of Columbia | City Washington | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-631 | County Montgomery | City Gaithersburg | Carrier Verizon Maryland, Inc. |
Prefix 1-240-632 | County Montgomery | City Gaithersburg | Carrier Verizon Maryland, Inc. |
Prefix 1-240-633 | County Fairfax | City Vienna | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-636 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-638 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-640 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-641 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-643 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-644 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-645 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-646 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-650 | County District of Columbia | City Washington | Carrier Broadvox-clec, Llc - Md |
Prefix 1-240-651 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-652 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-654 | County District of Columbia | City Washington | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-657 | County Frederick | City Frederick | Carrier Mci Worldcom Communications, Inc. - Md |
Prefix 1-240-660 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-661 | County District of Columbia | City Washington | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-662 | County Montgomery | City Silver Spring | Carrier Verizon Maryland, Inc. |
Prefix 1-240-665 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-666 | County District of Columbia | City Washington | Carrier Voxbeam Telecommunications Inc. - Md |
Prefix 1-240-667 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-668 | County Prince Georges | City Lanham | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-669 | County Manassas City | City Manassas | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-670 | County District of Columbia | City Washington | Carrier Local Access Llc - Md |
Prefix 1-240-671 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-672 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-674 | County Frederick | City Frederick | Carrier Sprint Spectrum L.p. |
Prefix 1-240-675 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-676 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-678 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-681 | County Prince Georges | City Beltsville | Carrier Atx Telecommunications Services, Ltd |
Prefix 1-240-682 | County District of Columbia | City Washington | Carrier Starpower Communications, Llc - Md |
Prefix 1-240-683 | County Montgomery | City Gaithersburg | Carrier Verizon Maryland, Inc. |
Prefix 1-240-684 | County Prince Georges | City College Park | Carrier Verizon Maryland, Inc. |
Prefix 1-240-685 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-686 | County Montgomery | City Germantown | Carrier Verizon Maryland, Inc. |
Prefix 1-240-687 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-688 | County Prince Georges | City Hyattsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-690 | County Fairfax | City Vienna | Carrier Teleport Communications America, Llc - Dc |
Prefix 1-240-691 | County Prince Georges | City Hyattsville | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-694 | County Montgomery | City Bethesda | Carrier Verizon Maryland, Inc. |
Prefix 1-240-695 | County Prince Georges | City Hyattsville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-696 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-699 | County Frederick | City Buckeystown | Carrier Verizon Maryland, Inc. |
Prefix 1-240-701 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-702 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-704 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-705 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-706 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-707 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-708 | County Baltimore City | City Baltimore | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-712 | County Baltimore City | City Baltimore | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-713 | County Prince Georges | City Beltsville | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-714 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-715 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-716 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-718 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-719 | County Manassas City | City Manassas | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-720 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-722 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-723 | County Prince Georges | City Hyattsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-724 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-725 | County Saint Marys | City Lexington Park | Carrier Verizon Maryland, Inc. |
Prefix 1-240-727 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-731 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-732 | County Frederick | City Monrovia | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-734 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-737 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-740 | County Fairfax | City Vienna | Carrier Atlantech Online, Inc. - Md |
Prefix 1-240-743 | County Howard | City Annapolis Junction | Carrier Local Access Llc - Md |
Prefix 1-240-744 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-745 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-747 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-750 | County Howard | City Annapolis Junction | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-751 | County Prince Georges | City Beltsville | Carrier Telcove Operations, Inc. - Md |
Prefix 1-240-752 | County District of Columbia | City Washington | Carrier Telcove Operations, Inc. - Md |
Prefix 1-240-753 | County Howard | City Annapolis Junction | Carrier Telcove Operations, Inc. - Md |
Prefix 1-240-754 | County Fairfax | City McLean | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-755 | County Baltimore City | City Baltimore | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-757 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-758 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-760 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-762 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-763 | County Baltimore City | City Baltimore | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-764 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-765 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-766 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-767 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-770 | County Manassas City | City Manassas | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-771 | County Fairfax | City Vienna | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-772 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-773 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-774 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-775 | County Washington | City Hagerstown | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-776 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-777 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-778 | County Howard | City Annapolis Junction | Carrier Xo Maryland, Llc |
Prefix 1-240-779 | County Prince Georges | City Beltsville | Carrier Cavalier East Llc - Md |
Prefix 1-240-780 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-781 | County District of Columbia | City Washington | Carrier Mcimetro Access Transmission Services Llc |
Prefix 1-240-782 | County | City | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-783 | County Alexandria City | City Alexandria | Carrier Mte, Inc. Dba Mte Paging Network |
Prefix 1-240-784 | County Frederick | City Frederick | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-786 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-787 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-788 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-790 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-793 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-794 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-800 | County Montgomery | City Chevy Chase | Carrier Core Communications, Inc. - Md |
Prefix 1-240-801 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-802 | County District of Columbia | City Washington | Carrier 365 Wireless, Llc |
Prefix 1-240-803 | County Washington | City Hagerstown | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-804 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-805 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-806 | County District of Columbia | City Washington | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-808 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-810 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-812 | County District of Columbia | City Washington | Carrier Global Crossing Local Services, Inc.-md |
Prefix 1-240-813 | County District of Columbia | City Washington | Carrier Atx Telecommunications Services, Ltd |
Prefix 1-240-815 | County Frederick | City Frederick | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-816 | County Frederick | City Monrovia | Carrier Bandwidth.com Clec, Llc - Md |
Prefix 1-240-817 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-818 | County Frederick | City Frederick | Carrier Verizon Maryland, Inc. |
Prefix 1-240-821 | County Prince Georges | City Beltsville | Carrier Lightwave Communications, Llc - Md |
Prefix 1-240-823 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-825 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-826 | County Montgomery | City Rockville | Carrier Verizon Maryland, Inc. |
Prefix 1-240-828 | County District of Columbia | City Washington | Carrier Telnyx Llc |
Prefix 1-240-830 | County District of Columbia | City Washington | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-831 | County Frederick | City Frederick | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-832 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-833 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-837 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-838 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-839 | County Fairfax | City McLean | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-841 | County Baltimore City | City Baltimore | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-842 | County Baltimore City | City Baltimore | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-843 | County Baltimore City | City Baltimore | Carrier Allegiance Telecom, Inc. - Md |
Prefix 1-240-844 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-845 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-846 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-847 | County Fairfax | City Vienna | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-848 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-850 | County Washington | City Hagerstown | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-855 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-856 | County Baltimore City | City Baltimore | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-857 | County Prince Georges | City Laurel | Carrier Level 3 Telecom Of Maryland, Llc - Md |
Prefix 1-240-858 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-859 | County Baltimore | City Pikesville | Carrier Broadvox-clec, Llc - Md |
Prefix 1-240-860 | County Frederick | City Frederick | Carrier Peerless Network Of Maryland, Llc |
Prefix 1-240-862 | County Frederick | City Frederick | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-863 | County District of Columbia | City Washington | Carrier Level 3 Telecom Of Maryland, Llc - Md |
Prefix 1-240-864 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-865 | County Baltimore City | City Baltimore | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-867 | County District of Columbia | City Washington | Carrier Commio, Llc |
Prefix 1-240-868 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-870 | County Frederick | City Frederick | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-876 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-877 | County Allegany | City Cumberland | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-878 | County Washington | City Hagerstown | Carrier Commio, Llc |
Prefix 1-240-880 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-882 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-883 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-888 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-892 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-893 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-895 | County Saint Marys | City Lexington Park | Carrier Verizon Maryland, Inc. |
Prefix 1-240-897 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-898 | County District of Columbia | City Washington | Carrier Broadwing Communications. Llc - Md |
Prefix 1-240-899 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-900 | County Fairfax | City Vienna | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-901 | County District of Columbia | City Washington | Carrier Centurylink Communications Llc |
Prefix 1-240-903 | County District of Columbia | City Washington | Carrier Comcast Phone Of Northern Maryland, Inc. - Md |
Prefix 1-240-904 | County Baltimore City | City Baltimore | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-906 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-907 | County Prince Georges | City Beltsville | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-908 | County Frederick | City Frederick | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-912 | County Fairfax | City McLean | Carrier Us Lec Of Maryland, Inc. |
Prefix 1-240-913 | County Frederick | City Frederick | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-915 | County District of Columbia | City Washington | Carrier Neutral Tandem-maryland, Llc - Md |
Prefix 1-240-917 | County Prince Georges | City Beltsville | Carrier New Cingular Wireless Pcs, Llc - Dc |
Prefix 1-240-918 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-920 | County Frederick | City Monrovia | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-925 | County District of Columbia | City Washington | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-929 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-938 | County Prince Georges | City Beltsville | Carrier Omnipoint Communications Cap Operations, Llc |
Prefix 1-240-949 | County District of Columbia | City Washington | Carrier Cavalier East Llc - Md |
Prefix 1-240-964 | County Allegany | City Cumberland | Carrier Verizon Maryland, Inc. |
Prefix 1-240-965 | County Montgomery | City Chevy Chase | Carrier Paetec Communications, Inc. - Md |
Prefix 1-240-970 | County Prince Georges | City Beltsville | Carrier Broadvox-clec, Llc - Md |
Prefix 1-240-971 | County Frederick | City Frederick | Carrier Centurylink Communications Llc |
Prefix 1-240-972 | County Baltimore City | City Baltimore | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-976 | County | City | Carrier Baltimore-washington Telephone (bwt) |
Prefix 1-240-979 | County Frederick | City Frederick | Carrier Level 3 Communications, Llc - Md |
Prefix 1-240-985 | County Frederick | City Frederick | Carrier Centurylink Communications Llc |
Prefix 1-240-986 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-988 | County District of Columbia | City Washington | Carrier Sprint Spectrum L.p. |
Prefix 1-240-993 | County District of Columbia | City Washington | Carrier Xo Maryland, Llc |
Prefix 1-240-994 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-996 | County Frederick | City Frederick | Carrier Centurylink Communications Llc |
Prefix 1-240-997 | County Howard | City Annapolis Junction | Carrier Cellco Partnership Dba Verizon Wireless - Md |
Prefix 1-240-998 | County Frederick | City Frederick | Carrier Centurylink Communications Llc |
Prefix 1-240-999 | County District of Columbia | City Washington | Carrier Verizon Maryland, Inc. |