Area Code 503 phone numbers
State: Oregon
In service since: 1947
Landlines: 573
Wireless prefixes: 211
Carriers: 49
Counties: 10
ZIP codes: 81
Major cities: Portland, Hillsboro, Salem, Beaverton, Gresham
Area Code 503 has 788 prefixes
| Prefix | County | City | Carrier |
|---|---|---|---|
| 1-503-200 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-201 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-202 | Multnomah | Portland | Usa Mobility Wireless, Inc. |
| 1-503-203 | Washington | Portland | Qwest Corporation |
| 1-503-204 | Multnomah | Portland | Usa Mobility Wireless, Inc. |
| 1-503-205 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-206 | Multnomah | Portland | Onvoy, Llc - Or |
| 1-503-207 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-208 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-209 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-210 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-212 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-213 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-214 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-215 | Multnomah | Portland | Qwest Corporation |
| 1-503-216 | Washington | Portland | Qwest Corporation |
| 1-503-217 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-218 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-219 | Multnomah | Portland | Qwest Corporation |
| 1-503-220 | Multnomah | Portland | Qwest Corporation |
| 1-503-221 | Multnomah | Portland | Qwest Corporation |
| 1-503-222 | Multnomah | Portland | Qwest Corporation |
| 1-503-223 | Multnomah | Portland | Qwest Corporation |
| 1-503-224 | Multnomah | Portland | Qwest Corporation |
| 1-503-225 | Multnomah | Portland | Qwest Corporation |
| 1-503-226 | Multnomah | Portland | Qwest Corporation |
| 1-503-227 | Multnomah | Portland | Qwest Corporation |
| 1-503-228 | Multnomah | Portland | Qwest Corporation |
| 1-503-229 | Multnomah | Portland | Qwest Corporation |
| 1-503-230 | Multnomah | Portland | Qwest Corporation |
| 1-503-231 | Multnomah | Portland | Qwest Corporation |
| 1-503-232 | Multnomah | Portland | Qwest Corporation |
| 1-503-233 | Multnomah | Portland | Qwest Corporation |
| 1-503-234 | Multnomah | Portland | Qwest Corporation |
| 1-503-235 | Multnomah | Portland | Qwest Corporation |
| 1-503-236 | Multnomah | Portland | Qwest Corporation |
| 1-503-237 | Multnomah | Portland | Usa Mobility Wireless, Inc. |
| 1-503-238 | Multnomah | Portland | Qwest Corporation |
| 1-503-239 | Multnomah | Portland | Qwest Corporation |
| 1-503-240 | Multnomah | Portland | Qwest Corporation |
| 1-503-241 | Multnomah | Portland | Qwest Corporation |
| 1-503-242 | Multnomah | Portland | Qwest Corporation |
| 1-503-243 | Multnomah | Portland | Qwest Corporation |
| 1-503-244 | Multnomah | Portland | Qwest Corporation |
| 1-503-245 | Multnomah | Portland | Qwest Corporation |
| 1-503-246 | Multnomah | Portland | Qwest Corporation |
| 1-503-247 | Multnomah | Portland | Qwest Corporation |
| 1-503-248 | Multnomah | Portland | Qwest Corporation |
| 1-503-249 | Multnomah | Portland | Qwest Corporation |
| 1-503-250 | Multnomah | Portland | Qwest Corporation |
| 1-503-251 | Multnomah | Portland | Qwest Corporation |
| 1-503-252 | Multnomah | Portland | Qwest Corporation |
| 1-503-253 | Multnomah | Portland | Qwest Corporation |
| 1-503-254 | Multnomah | Portland | Qwest Corporation |
| 1-503-255 | Multnomah | Portland | Qwest Corporation |
| 1-503-256 | Multnomah | Portland | Qwest Corporation |
| 1-503-257 | Multnomah | Portland | Qwest Corporation |
| 1-503-258 | Multnomah | Portland | Qwest Corporation |
| 1-503-259 | Washington | Beaverton | Frontier Communications Northwest, Inc. - Or |
| 1-503-260 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-261 | Multnomah | Portland | Qwest Corporation |
| 1-503-262 | Multnomah | Portland | Qwest Corporation |
| 1-503-263 | Clackamas | Canby | Canby Telephone Association |
| 1-503-264 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-265 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-266 | Clackamas | Canby | Canby Telephone Association |
| 1-503-267 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-268 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-269 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-270 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-271 | Multnomah | Portland | Usa Mobility Wireless, Inc. |
| 1-503-272 | Multnomah | Portland | Centurytel Of Oregon, Inc. Dba Centurylink |
| 1-503-273 | Multnomah | Portland | Qwest Corporation |
| 1-503-274 | Multnomah | Portland | Qwest Corporation |
| 1-503-275 | Multnomah | Portland | Qwest Corporation |
| 1-503-276 | Multnomah | Portland | Qwest Corporation |
| 1-503-277 | Washington | Beaverton | Frontier Communications Northwest, Inc. - Or |
| 1-503-278 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-279 | Multnomah | Portland | Qwest Corporation |
| 1-503-280 | Multnomah | Portland | Qwest Corporation |
| 1-503-281 | Multnomah | Portland | Qwest Corporation |
| 1-503-282 | Multnomah | Portland | Qwest Corporation |
| 1-503-283 | Multnomah | Portland | Qwest Corporation |
| 1-503-284 | Multnomah | Portland | Qwest Corporation |
| 1-503-285 | Multnomah | Portland | Qwest Corporation |
| 1-503-286 | Multnomah | Portland | Qwest Corporation |
| 1-503-287 | Multnomah | Portland | Qwest Corporation |
| 1-503-288 | Multnomah | Portland | Qwest Corporation |
| 1-503-289 | Multnomah | Portland | Qwest Corporation |
| 1-503-290 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-291 | Washington | Portland | Qwest Corporation |
| 1-503-292 | Washington | Portland | Qwest Corporation |
| 1-503-293 | Multnomah | Portland | Qwest Corporation |
| 1-503-294 | Multnomah | Portland | Qwest Corporation |
| 1-503-295 | Multnomah | Portland | Qwest Corporation |
| 1-503-296 | Washington | Portland | Qwest Corporation |
| 1-503-297 | Washington | Portland | Qwest Corporation |
| 1-503-298 | Washington | Hillsboro | Level 3 Communications, Llc - Or |
| 1-503-299 | Multnomah | Portland | Qwest Corporation |
| 1-503-300 | Yamhill | Sheridan | Charter Fiberlink Or-ccvii, Llc - Or |
| 1-503-301 | Multnomah | Portland | Usa Mobility Wireless, Inc. |
| 1-503-302 | Marion | Salem | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-303 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-304 | Marion | Salem | Qwest Corporation |
| 1-503-305 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-306 | Multnomah | Portland | Qwest Corporation |
| 1-503-307 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-308 | Washington | Hillsboro | Teleport Communications America, Llc - Or |
| 1-503-309 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-310 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-312 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-313 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-314 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-315 | Marion | Salem | Qwest Corporation |
| 1-503-316 | Marion | Salem | Qwest Corporation |
| 1-503-317 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-318 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-319 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-320 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-321 | Multnomah | Portland | Qwest Corporation |
| 1-503-322 | Tillamook | Garibaldi | United Telephone-northwest-or Dba Centurylink - Or |
| 1-503-323 | Multnomah | Portland | Qwest Corporation |
| 1-503-324 | Washington | Banks | Frontier Communications Northwest, Inc. - Or |
| 1-503-325 | Clatsop | Astoria | Qwest Corporation |
| 1-503-326 | Multnomah | Portland | Qwest Corporation |
| 1-503-327 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-328 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-329 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-330 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-331 | Multnomah | Portland | Qwest Corporation |
| 1-503-332 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-333 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-334 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-335 | Multnomah | Portland | Qwest Corporation |
| 1-503-336 | Washington | Beaverton | Comcast Phone Of Oregon, Llc - Or |
| 1-503-337 | Clackamas | Estacada | Cascade Utilities, Inc. |
| 1-503-338 | Clatsop | Astoria | Qwest Corporation |
| 1-503-339 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-340 | Multnomah | Portland | Qwest Corporation |
| 1-503-341 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-342 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-343 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-344 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-345 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-346 | Multnomah | Portland | Qwest Corporation |
| 1-503-347 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-348 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-349 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-350 | Washington | Beaverton | Frontier Communications Northwest, Inc. - Or |
| 1-503-351 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-352 | Washington | Portland | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-353 | Clackamas | Portland | Qwest Corporation |
| 1-503-354 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-355 | Tillamook | Rockaway Beach | United Telephone-northwest-or Dba Centurylink - Or |
| 1-503-356 | Washington | Beaverton | Frontier Communications Northwest, Inc. - Or |
| 1-503-357 | Washington | Forest Grove | Frontier Communications Northwest, Inc. - Or |
| 1-503-358 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-359 | Washington | Forest Grove | Frontier Communications Northwest, Inc. - Or |
| 1-503-360 | Multnomah | Portland | Neutral Tandem-oregon, Llc - Or |
| 1-503-361 | Marion | Salem | Qwest Corporation |
| 1-503-362 | Marion | Salem | Qwest Corporation |
| 1-503-363 | Marion | Salem | Qwest Corporation |
| 1-503-364 | Marion | Salem | Qwest Corporation |
| 1-503-365 | Marion | Salem | Qwest Corporation |
| 1-503-366 | Columbia | Saint Helens | Qwest Corporation |
| 1-503-367 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-368 | Tillamook | Nehalem | Nehalem Telecomms, Inc. Dba Nehalem Tel & Tel |
| 1-503-369 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-370 | Marion | Salem | Qwest Corporation |
| 1-503-371 | Marion | Salem | Qwest Corporation |
| 1-503-372 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-373 | Marion | Salem | Qwest Corporation |
| 1-503-374 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-375 | Marion | Salem | Qwest Corporation |
| 1-503-376 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-377 | Tillamook | Bay City | United Telephone-northwest-or Dba Centurylink - Or |
| 1-503-378 | Marion | Salem | Qwest Corporation |
| 1-503-379 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-380 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-381 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-382 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-383 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-384 | Washington | Portland | Qwest Corporation |
| 1-503-385 | Marion | Salem | Teleport Communications America, Llc - Or |
| 1-503-386 | Multnomah | Portland | Onvoy, Llc - Or |
| 1-503-387 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-388 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-389 | Multnomah | Portland | Xo Oregon, Inc. |
| 1-503-390 | Marion | Salem | Qwest Corporation |
| 1-503-391 | Marion | Salem | Qwest Corporation |
| 1-503-392 | Tillamook | Cloverdale | United Telephone-northwest-or Dba Centurylink - Or |
| 1-503-393 | Marion | Salem | Qwest Corporation |
| 1-503-394 | Linn | Scio | Scio Mutual Telephone Association |
| 1-503-395 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-396 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-397 | Columbia | Saint Helens | Qwest Corporation |
| 1-503-398 | Tillamook | Cloverdale | United Telephone-northwest-or Dba Centurylink - Or |
| 1-503-399 | Marion | Salem | Qwest Corporation |
| 1-503-400 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-401 | Multnomah | Portland | Qwest Corporation |
| 1-503-402 | Multnomah | Portland | Qwest Corporation |
| 1-503-403 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-404 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-405 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-406 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-407 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-408 | Multnomah | Portland | Qwest Corporation |
| 1-503-409 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-410 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-412 | Multnomah | Portland | Qwest Corporation |
| 1-503-413 | Multnomah | Portland | Qwest Corporation |
| 1-503-414 | Multnomah | Portland | Qwest Corporation |
| 1-503-415 | Multnomah | Portland | Qwest Corporation |
| 1-503-416 | Multnomah | Portland | Level 3 Telecom Of Oregon, Llc - Or |
| 1-503-417 | Multnomah | Portland | Qwest Corporation |
| 1-503-418 | Multnomah | Portland | Qwest Corporation |
| 1-503-419 | Washington | Beaverton | Xo Oregon, Inc. |
| 1-503-420 | Multnomah | Portland | Sprint Spectrum L.p. |
| 1-503-421 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-422 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-423 | Multnomah | Portland | Qwest Corporation |
| 1-503-424 | Yamhill | McMinnville | Oregon Tel, Llc - Or |
| 1-503-425 | Multnomah | Portland | Qwest Corporation |
| 1-503-426 | Multnomah | Portland | North County Communications Corp. - Or |
| 1-503-427 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-428 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-429 | Columbia | Vernonia | Frontier Communications Northwest, Inc. - Or |
| 1-503-430 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-431 | Washington | Portland | Frontier Communications Northwest, Inc. - Or |
| 1-503-432 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-433 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-434 | Yamhill | McMinnville | Frontier Communications Northwest, Inc. - Or |
| 1-503-435 | Yamhill | McMinnville | Frontier Communications Northwest, Inc. - Or |
| 1-503-436 | Clatsop | Cannon Beach | Qwest Corporation |
| 1-503-437 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-438 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-439 | Washington | Portland | Frontier Communications Northwest, Inc. - Or |
| 1-503-440 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-441 | Multnomah | Portland | Qwest Corporation |
| 1-503-442 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-443 | Washington | Portland | Frontier Communications Northwest, Inc. - Or |
| 1-503-444 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-445 | Washington | Portland | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-446 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-447 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-448 | Marion | Stayton | Scs Communications And Security, Inc. - Or |
| 1-503-449 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-450 | Multnomah | Portland | Qwest Corporation |
| 1-503-451 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-452 | Multnomah | Portland | Qwest Corporation |
| 1-503-453 | Multnomah | Portland | Frontier Communications Northwest, Inc. - Or |
| 1-503-454 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-455 | Columbia | Clatskanie | Qwest Corporation |
| 1-503-456 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-457 | Yamhill | Sheridan | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-458 | Clatsop | Astoria | Centurytel Of Oregon Dba Centurylink |
| 1-503-459 | Washington | Hillsboro | Level 3 Telecom Of Oregon, Llc - Or |
| 1-503-460 | Multnomah | Portland | Qwest Corporation |
| 1-503-461 | Clatsop | Astoria | Universal Telecommunications, Inc. |
| 1-503-462 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-463 | Marion | Salem | Qwest Corporation |
| 1-503-464 | Multnomah | Portland | Qwest Corporation |
| 1-503-465 | Multnomah | Gresham | Frontier Communications Northwest, Inc. - Or |
| 1-503-466 | Washington | Portland | Frontier Communications Northwest, Inc. - Or |
| 1-503-467 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-468 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-469 | Washington | Beaverton | Frontier Communications Northwest, Inc. - Or |
| 1-503-470 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-471 | Multnomah | Portland | Qwest Corporation |
| 1-503-472 | Yamhill | McMinnville | Frontier Communications Northwest, Inc. - Or |
| 1-503-473 | Multnomah | Portland | Mcimetro Access Transmission Services Llc |
| 1-503-474 | Yamhill | McMinnville | Frontier Communications Northwest, Inc. - Or |
| 1-503-475 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-476 | Washington | Hillsboro | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-477 | Multnomah | Portland | Cellco Partnership Dba Verizon Wireless - Or |
| 1-503-478 | Multnomah | Portland | Qwest Corporation |
| 1-503-479 | Multnomah | Portland | Level 3 Telecom Of Oregon, Llc - Or |
| 1-503-480 | Washington | Portland | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-481 | Multnomah | Portland | T-mobile Usa, Inc. |
| 1-503-482 | Multnomah | Portland | Level 3 Telecom Of Oregon, Llc - Or |
| 1-503-483 | Multnomah | Portland | Level 3 Communications, Llc - Or |
| 1-503-484 | Multnomah | Portland | At&t Local |
| 1-503-485 | Multnomah | Portland | Electric Lightwave, Llc Dba Integra Telecom - Or |
| 1-503-486 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-487 | Multnomah | Portland | Global Crossing Local Services, Inc.-or |
| 1-503-488 | Multnomah | Portland | Level 3 Telecom Of Oregon, Llc - Or |
| 1-503-489 | Washington | Portland | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-490 | Washington | Portland | Sprint Spectrum L.p. |
| 1-503-491 | Multnomah | Gresham | Frontier Communications Northwest, Inc. - Or |
| 1-503-492 | Multnomah | Gresham | Frontier Communications Northwest, Inc. - Or |
| 1-503-493 | Multnomah | Portland | Qwest Corporation |
| 1-503-494 | Multnomah | Portland | Qwest Corporation |
| 1-503-495 | Washington | Portland | Teleport Communications America, Llc - Or |
| 1-503-496 | Washington | Portland | Integra Telecom Of Oregon, Inc. - Or |
| 1-503-497 | Multnomah | Portland | Qwest Corporation |
| 1-503-498 | Multnomah | Portland | Teleport Communications America, Llc - Or |
| 1-503-499 | Multnomah | Portland | Qwest Corporation |
| 1-503-500 | Multnomah | Portland | Teltrust Corporation - Or |
| 1-503-501 | Multnomah | Portland | New Cingular Wireless Pcs, Llc |
| 1-503-502 | Washington | Hillsboro | Cellco Partnership Dba Verizon Wireless - Or |