| Prefix 1-425-200 | County King | City Seattle | Carrier At&t Local |
| Prefix 1-425-201 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-202 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-203 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-204 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-205 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-207 | County King | City Seattle | Carrier Mcleodusa Telecommunications Services, Inc.- Wa |
| Prefix 1-425-208 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-209 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-210 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-212 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-213 | County King | City Seattle | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-214 | County King | City Seattle | Carrier Mcleodusa Telecommunications Services, Inc.- Wa |
| Prefix 1-425-215 | County King | City Seattle | Carrier Neutral Tandem-washington, Llc - Wa |
| Prefix 1-425-216 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-218 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-219 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-220 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-221 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-222 | County King | City Fall City | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-223 | County King | City Bothell | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-224 | County King | City Seattle | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-225 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-226 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-227 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-228 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-229 | County King | City Seattle | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-230 | County King | City Seattle | Carrier Bandwidth.com Clec, Llc - Wa |
| Prefix 1-425-231 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-232 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-233 | County King | City Bothell | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-234 | County King | City Redmond | Carrier Qwest Corporation |
| Prefix 1-425-235 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-236 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-237 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-238 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-239 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-240 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-241 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-242 | County King | City Seattle | Carrier At&t Local |
| Prefix 1-425-243 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-244 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-245 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-246 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-247 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-248 | County Snohomish | City Everett | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-249 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-250 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-251 | County King | City Kent | Carrier Qwest Corporation |
| Prefix 1-425-252 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-254 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-255 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-256 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-257 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-258 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-259 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-260 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-261 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-262 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-263 | County Pierce | City Tacoma | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-264 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-265 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-266 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-267 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-268 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-269 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-270 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-271 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-272 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-273 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-274 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-275 | County Snohomish | City Everett | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-276 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-277 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-278 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-279 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-280 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-281 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-282 | County King | City Kent | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-283 | County Pierce | City Tacoma | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-284 | County King | City Kent | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-285 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-286 | County King | City Bothell | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-287 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-288 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-289 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-290 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-291 | County King | City Kent | Carrier Qwest Corporation |
| Prefix 1-425-292 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-293 | County Snohomish | City Everett | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-294 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-295 | County Pierce | City Tacoma | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-296 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-297 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-298 | County King | City Seattle | Carrier Mcleodusa Telecommunications Services, Inc.- Wa |
| Prefix 1-425-299 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-301 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-302 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-303 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-304 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-305 | County Pierce | City Tacoma | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-306 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-307 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-308 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-309 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-310 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-312 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-313 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-314 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-315 | County Snohomish | City Mukilteo | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-316 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-317 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-318 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-319 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-320 | County Pierce | City Tacoma | Carrier At&t Local |
| Prefix 1-425-321 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-322 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-323 | County King | City Seattle | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-425-324 | County King | City Seattle | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-325 | County King | City Seattle | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-425-326 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-327 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-328 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-329 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-330 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-332 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-333 | County King | City Carnation | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-334 | County | City | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-335 | County | City | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-336 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-337 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-338 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-339 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-341 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-342 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-343 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-344 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-345 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-346 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-347 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-348 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-349 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-350 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-351 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-352 | County King | City Kent | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-353 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-354 | County King | City Kirkland | Carrier Mci Worldcom Communications, Inc. - Wa |
| Prefix 1-425-355 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-356 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-357 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-358 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-359 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-361 | County Snohomish | City Everett | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-362 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-363 | County King | City Seattle | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-365 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-366 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-367 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-368 | County King | City Kent | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-369 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-372 | County King | City Kirkland | Carrier Mci Worldcom Communications, Inc. - Wa |
| Prefix 1-425-373 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-374 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-375 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-376 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-377 | County | City | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-378 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-379 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-381 | County Pierce | City Tacoma | Carrier At&t Local |
| Prefix 1-425-382 | County King | City Seattle | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-383 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-385 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-387 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-388 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-390 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-391 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-392 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-394 | County King | City Bothell | Carrier Qwest Corporation |
| Prefix 1-425-395 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-396 | County King | City North Bend | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-397 | County | City | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-398 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-399 | County King | City Bothell | Carrier Neutral Tandem-washington, Llc - Wa |
| Prefix 1-425-401 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-402 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-404 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-405 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-406 | County King | City Seattle | Carrier Centurylink Communications Llc |
| Prefix 1-425-407 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-408 | County King | City Kent | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-409 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-412 | County King | City Seattle | Carrier Mci Worldcom Communications, Inc. - Wa |
| Prefix 1-425-413 | County King | City Maple Valley | Carrier Qwest Corporation |
| Prefix 1-425-415 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-416 | County King | City Seattle | Carrier At&t Local |
| Prefix 1-425-417 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-418 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-419 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-420 | County Pierce | City Tacoma | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-421 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-422 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-423 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-424 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-426 | County King | City Bothell | Carrier Wide Voice, Llc - Wa |
| Prefix 1-425-427 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-429 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-430 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-431 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-432 | County King | City Maple Valley | Carrier Qwest Corporation |
| Prefix 1-425-433 | County King | City Maple Valley | Carrier Qwest Corporation |
| Prefix 1-425-434 | County King | City Seattle | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-435 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-437 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-438 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-440 | County King | City Seattle | Carrier Qwest Corporation |
| Prefix 1-425-441 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-442 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-443 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-444 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-445 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-446 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-447 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-448 | County King | City Seattle | Carrier Eltopia Communications, Llc - Wa |
| Prefix 1-425-449 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-450 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-451 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-452 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-453 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-454 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-455 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-456 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-457 | County King | City Seattle | Carrier Qwest Corporation |
| Prefix 1-425-458 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-460 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-462 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-463 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-466 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-467 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-468 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-471 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-478 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-481 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-482 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-483 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-484 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-485 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-486 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-487 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-488 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-489 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-490 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-491 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-492 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-493 | County Snohomish | City Mukilteo | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-495 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-496 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-497 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-498 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-499 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-501 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-502 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-503 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-505 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-507 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-508 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-512 | County Snohomish | City Everett | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-513 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-514 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-516 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-518 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-519 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-522 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-523 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-524 | County King | City Bothell | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-525 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-526 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-527 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-528 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-529 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-530 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-531 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-533 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-538 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-544 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-549 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-551 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-553 | County Pierce | City Tacoma | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-556 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-557 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-558 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-559 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-562 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-563 | County Snohomish | City Everett | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-564 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-568 | County King | City Seattle | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-425-569 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-572 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-576 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-577 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-578 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-580 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-582 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-583 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-584 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-585 | County Snohomish | City Everett | Carrier Wide Voice, Llc - Wa |
| Prefix 1-425-586 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-587 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-588 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-589 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-590 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-591 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-595 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-598 | County King | City Seattle | Carrier Comcast Phone Of Washington Oregon, Llc - Wa |
| Prefix 1-425-599 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-602 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-603 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-605 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-606 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-608 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-609 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-610 | County King | City Seattle | Carrier Centurylink Communications Llc |
| Prefix 1-425-614 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-615 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-616 | County Pierce | City Tacoma | Carrier Bandwidth.com Clec, Llc - Wa |
| Prefix 1-425-622 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-623 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-625 | County King | City Bothell | Carrier Eltopia Communications, Llc |
| Prefix 1-425-626 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-628 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-629 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-631 | County King | City Seattle | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-425-633 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-635 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-636 | County King | City Kirkland | Carrier Mci Worldcom Communications, Inc. - Wa |
| Prefix 1-425-637 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-638 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-640 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-641 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-642 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-643 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-644 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-645 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-646 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-647 | County Pierce | City Tacoma | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-648 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-649 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-650 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-651 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-652 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-653 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-654 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-656 | County King | City Kent | Carrier Qwest Corporation |
| Prefix 1-425-657 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-658 | County King | City Seattle | Carrier Cbeyond Communications, Llc - Wa |
| Prefix 1-425-659 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-660 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-663 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-669 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-670 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-671 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-672 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-673 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-675 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-677 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-678 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-679 | County King | City Bellevue | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-681 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-686 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-687 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-688 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-689 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-690 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-691 | County King | City Seattle | Carrier Level 3 Telecom Of Washington, Llc - Wa |
| Prefix 1-425-696 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-697 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-698 | County Pierce | City Tacoma | Carrier At&t Local |
| Prefix 1-425-699 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-702 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-703 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-704 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-705 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-706 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-707 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-708 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-709 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-710 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-712 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-717 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-722 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-727 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-728 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-732 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-736 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-737 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-738 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-739 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-740 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-741 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-742 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-743 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-744 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-745 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-746 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-747 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-748 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-749 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-750 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-753 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-754 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-755 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-757 | County King | City Seattle | Carrier At&t Local |
| Prefix 1-425-760 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-761 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-765 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-766 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-770 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-771 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-772 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-773 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-774 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-775 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-776 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-777 | County King | City Bothell | Carrier Peerless Network Of Washington, Llc - Wa |
| Prefix 1-425-778 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-780 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-783 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-785 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-786 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-787 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-788 | County King | City Duvall | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-789 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-790 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-791 | County King | City Redmond | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-793 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-795 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-799 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-800 | County King | City Seattle | Carrier Telnyx Llc |
| Prefix 1-425-802 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-803 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-806 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-814 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-818 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-820 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-821 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-822 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-823 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-825 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-827 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-828 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-829 | County King | City Bothell | Carrier T-mobile Usa, Inc. |
| Prefix 1-425-830 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-831 | County King | City North Bend | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-835 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-836 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-837 | County King | City Issaquah | Carrier Qwest Corporation |
| Prefix 1-425-844 | County King | City Duvall | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-861 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-864 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-865 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-867 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-868 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-869 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-870 | County Snohomish | City Everett | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-871 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-873 | County King | City Seattle | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-425-876 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-877 | County Pierce | City Tacoma | Carrier Integra Telecom Of Washington, Inc. - Wa |
| Prefix 1-425-879 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-880 | County King | City Seattle | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-881 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-882 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-883 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-885 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-888 | County King | City North Bend | Carrier Centurytel Of Washington, Inc. Dba Centurylink |
| Prefix 1-425-889 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-890 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-891 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-892 | County Pierce | City Tacoma | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-893 | County King | City Kirkland | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-894 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-895 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-896 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-897 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-898 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-899 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-902 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-903 | County Snohomish | City Everett | Carrier Level 3 Communications, Llc - Wa |
| Prefix 1-425-905 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-906 | County King | City Seattle | Carrier Neutral Tandem-washington, Llc - Wa |
| Prefix 1-425-908 | County Snohomish | City Bothell | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-917 | County King | City Renton | Carrier Qwest Corporation |
| Prefix 1-425-918 | County Snohomish | City Lynnwood | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-919 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-920 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-921 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-922 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-923 | County Snohomish | City Everett | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-928 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-930 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-931 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-936 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-939 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-940 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-941 | County King | City Seattle | Carrier Cellco Partnership Dba Verizon Wireless - Wa |
| Prefix 1-425-943 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-944 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-945 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-947 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-948 | County King | City Bothell | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-949 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-951 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-952 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-953 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-954 | County King | City Seattle | Carrier Global Crossing Local Services, Inc.-wa |
| Prefix 1-425-955 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-956 | County King | City Redmond | Carrier Frontier Communications Northwest Inc. - Wa |
| Prefix 1-425-957 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-961 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-962 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-963 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-965 | County King | City Redmond | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-967 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-968 | County King | City Seattle | Carrier Xo Washington, Inc. - Wa |
| Prefix 1-425-969 | County King | City Seattle | Carrier Onvoy, Llc - Wa |
| Prefix 1-425-970 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-971 | County King | City Redmond | Carrier Sprint Spectrum L.p. |
| Prefix 1-425-973 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-974 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-977 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-979 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-981 | County King | City Seattle | Carrier Teleport Communications America, Llc - Wa |
| Prefix 1-425-984 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-985 | County Pierce | City Tacoma | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-425-988 | County King | City Seattle | Carrier Electric Lightwave, Llc Dba Integra Telecom - Wa |
| Prefix 1-425-990 | County King | City Bellevue | Carrier Qwest Corporation |
| Prefix 1-425-996 | County King | City Seattle | Carrier Broadwing Communications, Llc - Wa |
| Prefix 1-425-998 | County King | City Seattle | Carrier Teltrust Corporation - Wa |
| Prefix 1-425-999 | County King | City Seattle | Carrier Level 3 Communications, Llc - Wa |