Area Code 203 phone numbers
In Service Since 1947
Primarily serving the state of Connecticut • Across 8 counties and 60 zip codes.
Major Cities Served: Wallingford • Stamford • Hartford • Middletown • New Haven
598 landline and 186 wireless prefixes are served by 29 different phone carriers.

Area Code 203 has 784 prefixes

Prefix 1-203-200 County New Haven City New Haven Carrier Bandwidth.com Clec, Llc - Ct
Prefix 1-203-201 County Hartford City Hartford Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-202 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-204 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-205 County Fairfield City Danbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-206 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-207 County Fairfield City Danbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-208 County Hartford City Hartford Carrier Comcast Phone Of Connecticut, Inc. - Ct
Prefix 1-203-209 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-210 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-212 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-213 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-214 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-215 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-216 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-217 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-218 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-219 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-220 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-221 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-222 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-223 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-224 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-225 County Fairfield City Shelton Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-226 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-227 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-228 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-229 County Fairfield City Norwalk Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-230 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-231 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-232 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-233 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-234 County New Haven City North Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-235 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-236 County New Haven City Waterbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-237 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-238 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-239 County New Haven City North Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-240 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-241 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-242 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-243 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-244 County Hartford City Hartford Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-245 County New Haven City Madison Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-246 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-247 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-248 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-249 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-250 County New Haven City Cheshire Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-251 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-252 County Hartford City Bloomfield Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-253 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-254 County Fairfield City Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-255 County Fairfield City Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-256 County Fairfield City Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-257 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-258 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-259 County Fairfield City Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-260 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-261 County Fairfield City Trumbull Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-262 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-263 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-264 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-265 County New Haven City Wallingford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-266 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-267 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-268 County Fairfield City Trumbull Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-269 County New Haven City Wallingford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-270 County Fairfield City Newtown Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-271 County New Haven City Cheshire Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-272 County New Haven City Cheshire Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-273 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-274 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-275 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-276 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-277 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-278 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-279 County New Haven City Waterbury Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-280 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-281 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-282 County New Haven City Waterbury Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-283 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-284 County New Haven City Wallingford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-285 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-286 County New Haven City New Haven Carrier Conversent Communications Of Connecticut, Llc
Prefix 1-203-287 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-288 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-289 County New Haven City Waterbury Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-290 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-291 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-292 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-293 County Hartford City Hartford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-294 County New Haven City Wallingford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-295 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-296 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-297 County Middlesex City Middletown Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-298 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-299 County Fairfield City Norwalk Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-300 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-301 County New Haven City Milford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-302 County Westchester City White Plains Carrier Tc Systems,inc. - Ny
Prefix 1-203-303 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-304 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-305 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-306 County Hartford City Hartford Carrier Choice One Communications, Inc. - Ct
Prefix 1-203-307 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-308 County Hartford City Bloomfield Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-309 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-310 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-312 County Fairfield City New Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-313 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-314 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-315 County New Haven City Branford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-316 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-317 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-318 County New Haven City Madison Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-319 County Fairfield City Fairfield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-320 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-321 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-322 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-323 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-324 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-325 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-326 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-327 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-328 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-329 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-330 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-331 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-332 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-333 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-334 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-335 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-336 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-337 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-338 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-339 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-340 County Westchester City White Plains Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-341 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-342 County New Haven City Waterbury Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-343 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-344 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-345 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-346 County New Haven City Waterbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-347 County New York City New York Carrier Level 3 Communications, Llc - Ct
Prefix 1-203-348 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-349 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-350 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-351 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-352 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-353 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-354 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-355 County Fairfield City Norwalk Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-356 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-357 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-358 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-359 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-360 County Hartford City Bloomfield Carrier Metro Pcs, Inc.
Prefix 1-203-361 County Hartford City Hartford Carrier Level 3 Communications, Llc - Ct
Prefix 1-203-362 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-363 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-364 County Fairfield City Newtown Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-365 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-366 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-367 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-368 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-369 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-370 County New Haven City Southbury Carrier American Messaging Services, Llc
Prefix 1-203-371 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-372 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-373 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-374 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-375 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-376 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-377 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-378 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-379 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-380 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-381 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-382 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-383 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-384 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-385 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-386 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-387 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-388 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-389 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-390 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-391 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-392 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-393 County New Haven City Bethany Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-394 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-395 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-396 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-397 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-398 County New Haven City Waterbury Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-399 County New Haven City Wallingford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-400 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-401 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-402 County Fairfield City Shelton Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-403 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-404 County Hartford City Hartford Carrier Broadwing Communications, Llc - Ct
Prefix 1-203-405 County Windham City Willimantic Carrier Paetec Communications, Llc - Ct
Prefix 1-203-406 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-407 County New Haven City Hamden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-408 County Hartford City Hartford Carrier At&t Local
Prefix 1-203-409 County City Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-410 County Hartford City Hartford Carrier Sprint Spectrum L.p.
Prefix 1-203-412 County New Haven City Southbury Carrier American Messaging Services, Llc
Prefix 1-203-413 County New York City New York Carrier Paetec Communications, Inc. - Ny
Prefix 1-203-414 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-415 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-416 County Fairfield City Bridgeport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-417 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-418 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-419 County New Haven City Waterbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-420 County New Haven City Meriden Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-421 County New Haven City Madison Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-422 County Fairfield City Greenwich Carrier Verizon New York Inc.
Prefix 1-203-423 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-424 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-425 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-426 County Fairfield City Newtown Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-427 County Hartford City Hartford Carrier Mcimetro Access Transmission Services Llc
Prefix 1-203-428 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-429 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-430 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-431 County Fairfield City Ridgefield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-432 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-433 County Fairfield City Stamford Carrier Comcast Phone Of Connecticut, Inc. - Ct
Prefix 1-203-434 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-435 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-436 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-437 County Fairfield City Stamford Carrier Mcimetro Access Transmission Services Llc
Prefix 1-203-438 County Fairfield City Ridgefield Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-439 County Hartford City Manchester Carrier Cox Connecticut Telecom, Llc
Prefix 1-203-440 County Hartford City Manchester Carrier Cox Connecticut Telecom, Llc
Prefix 1-203-441 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-442 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-443 County Hartford City Bloomfield Carrier Mcimetro Access Transmission Services Llc
Prefix 1-203-444 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-445 County Fairfield City Trumbull Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-446 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-447 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-448 County New Haven City Wallingford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-449 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-450 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-451 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-452 County Fairfield City Trumbull Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-453 County New Haven City Guilford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-454 County Fairfield City Westport Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-455 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-456 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-457 County New Haven City Madison Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-458 County New Haven City Guilford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-459 County Fairfield City Trumbull Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-460 County New Haven City Wallingford Carrier At&t Local
Prefix 1-203-461 County New Haven City Wallingford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-462 County Fairfield City Stamford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-463 County Fairfield City Stamford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-464 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-465 County New Haven City Waterbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-466 County New Haven City East Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-467 County New Haven City East Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-468 County New Haven City East Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-469 County New Haven City East Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-470 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-471 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-472 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-473 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-474 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-476 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-477 County Hartford City Hartford Carrier Usa Mobility Wireless, Inc.
Prefix 1-203-478 County City Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-479 County New Haven City West Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-480 County Fairfield City Stamford Carrier Brooks Fiber Communications Of Connecticut Inc-ct
Prefix 1-203-481 County New Haven City Branford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-482 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-483 County New Haven City Branford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-484 County New Haven City North Branford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-485 County Fairfield City Greenwich Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-486 County New Haven City Southbury Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-487 County Fairfield City Stamford Carrier Global Crossing Local Services, Inc.-ct
Prefix 1-203-488 County New Haven City Branford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-489 County Westchester City White Plains Carrier Cablevision Lightpath, Inc. - Ct
Prefix 1-203-490 County New Haven City Wallingford Carrier Teleport Communications America, Llc - Ct
Prefix 1-203-491 County Hartford City Hartford Carrier Bandwidth.com Clec, Llc - Ct
Prefix 1-203-492 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-493 County Hartford City Hartford Carrier Level 3 Communications, Llc - Ct
Prefix 1-203-494 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-495 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-496 County New York City New York Carrier Sprint Spectrum L.p.
Prefix 1-203-497 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-498 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-499 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-500 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-501 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-502 County Fairfield City Stratford Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-503 County New Haven City New Haven Carrier Southern New England Telco Dba Frontier Comm Of Ct
Prefix 1-203-504 County New Haven City New Haven Carrier Ctc Communications Corp. - Ct
Prefix 1-203-505 County New Haven City Wallingford Carrier Cellco Partnership Dba Verizon Wireless - Ct
Prefix 1-203-506 County Middlesex City Middletown Carrier New Cingular Wireless Pcs, Llc - Dc
Prefix 1-203-507 County Hartford City Hartford Carrier Sprint Spectrum L.p.
Prefix 1-203-508 County Hartford City Bloomfield Carrier Ctc Communications Corp. - Ct
Prefix 1-203-509 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-510 County New Haven City Wallingford Carrier Sprint Spectrum L.p.
Prefix 1-203-512 County Hartford City Bloomfield Carrier Omnipoint Communications, Inc. - Ct
Prefix 1-203-513 County Middlesex City Middletown Carrier At&t Local
Prefix 1-203-514 County Hartford City Hartford Carrier Teleport Communications America, Llc - Ct
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