Portland, OR — rate center
- State
- Oregon
- Active prefixes
- 497
- Carriers
- 41
- Pooled prefixes
- 270
- LATA
- 672
- Metro area
- Portland-Vancouver-Hillsboro, OR-WA MSA
Portland is a telephone rate center in Oregon served by area codes 503, 971. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
NANPA records show 497 active prefixes here, held by 41 different carriers. Pooling applies to 270 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. Routing-wise it sits in LATA 672.
Because 503, 971 all serve this territory, two Portland numbers can look completely different while being neighbors — check the prefix, not just the area code.
Portland ranks among the larger numbering localities in Oregon: 497 prefixes mean over 4,970,000 assignable numbers anchored here.
As always with US numbering: a prefix anchored to Portland tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.
Prefixes anchored to Portland
Showing 347 of 347
| Prefix | Code holder | Pooled |
|---|---|---|
| 503-200 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-201 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-202 | SPOK, INC. | No |
| 503-203 | QWEST CORPORATION | No |
| 503-204 | SPOK, INC. | No |
| 503-205 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | No |
| 503-206 | ONVOY, LLC - OR | Yes |
| 503-208 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-209 | T-MOBILE USA, INC. | Yes |
| 503-215 | QWEST CORPORATION | No |
| 503-216 | QWEST CORPORATION | No |
| 503-219 | QWEST CORPORATION | No |
| 503-220 | QWEST CORPORATION | No |
| 503-221 | QWEST CORPORATION | No |
| 503-222 | QWEST CORPORATION | No |
| 503-223 | QWEST CORPORATION | No |
| 503-224 | QWEST CORPORATION | No |
| 503-225 | QWEST CORPORATION | No |
| 503-226 | QWEST CORPORATION | No |
| 503-227 | QWEST CORPORATION | No |
| 503-228 | QWEST CORPORATION | No |
| 503-229 | QWEST CORPORATION | No |
| 503-230 | QWEST CORPORATION | No |
| 503-231 | QWEST CORPORATION | No |
| 503-232 | QWEST CORPORATION | No |
| 503-233 | QWEST CORPORATION | No |
| 503-234 | QWEST CORPORATION | No |
| 503-235 | QWEST CORPORATION | No |
| 503-236 | QWEST CORPORATION | No |
| 503-237 | SPOK, INC. | No |
| 503-238 | QWEST CORPORATION | No |
| 503-239 | QWEST CORPORATION | No |
| 503-240 | QWEST CORPORATION | No |
| 503-241 | QWEST CORPORATION | No |
| 503-242 | QWEST CORPORATION | No |
| 503-243 | QWEST CORPORATION | No |
| 503-244 | QWEST CORPORATION | No |
| 503-245 | QWEST CORPORATION | No |
| 503-246 | QWEST CORPORATION | No |
| 503-247 | QWEST CORPORATION | No |
| 503-248 | QWEST CORPORATION | No |
| 503-249 | QWEST CORPORATION | No |
| 503-250 | QWEST CORPORATION | Yes |
| 503-251 | QWEST CORPORATION | No |
| 503-252 | QWEST CORPORATION | No |
| 503-253 | QWEST CORPORATION | No |
| 503-254 | QWEST CORPORATION | No |
| 503-255 | QWEST CORPORATION | No |
| 503-256 | QWEST CORPORATION | No |
| 503-257 | QWEST CORPORATION | No |
| 503-258 | QWEST CORPORATION | Yes |
| 503-260 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-261 | QWEST CORPORATION | Yes |
| 503-262 | QWEST CORPORATION | No |
| 503-265 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-267 | T-MOBILE USA, INC. | No |
| 503-271 | SPOK, INC. | No |
| 503-273 | QWEST CORPORATION | No |
| 503-274 | QWEST CORPORATION | No |
| 503-275 | QWEST CORPORATION | No |
| 503-276 | QWEST CORPORATION | No |
| 503-278 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-279 | QWEST CORPORATION | No |
| 503-280 | QWEST CORPORATION | No |
| 503-281 | QWEST CORPORATION | No |
| 503-282 | QWEST CORPORATION | No |
| 503-283 | QWEST CORPORATION | No |
| 503-284 | QWEST CORPORATION | No |
| 503-285 | QWEST CORPORATION | No |
| 503-286 | QWEST CORPORATION | No |
| 503-287 | QWEST CORPORATION | No |
| 503-288 | QWEST CORPORATION | No |
| 503-289 | QWEST CORPORATION | No |
| 503-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-291 | QWEST CORPORATION | No |
| 503-292 | QWEST CORPORATION | No |
| 503-293 | QWEST CORPORATION | No |
| 503-294 | QWEST CORPORATION | No |
| 503-295 | QWEST CORPORATION | No |
| 503-296 | QWEST CORPORATION | No |
| 503-297 | QWEST CORPORATION | No |
| 503-299 | QWEST CORPORATION | No |
| 503-301 | SPOK, INC. | No |
| 503-306 | QWEST CORPORATION | No |
| 503-307 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-309 | T-MOBILE USA, INC. | Yes |
| 503-310 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-312 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-313 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-314 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-317 | T-MOBILE USA, INC. | No |
| 503-318 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-319 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-320 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-321 | QWEST CORPORATION | No |
| 503-323 | QWEST CORPORATION | No |
| 503-326 | QWEST CORPORATION | No |
| 503-327 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-329 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-331 | QWEST CORPORATION | No |
| 503-333 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-334 | T-MOBILE USA, INC. | Yes |
| 503-335 | QWEST CORPORATION | No |
| 503-340 | QWEST CORPORATION | No |
| 503-341 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-345 | LEVEL 3 COMMUNICATIONS, LLC - OR | Yes |
| 503-346 | QWEST CORPORATION | No |
| 503-347 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-348 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-349 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-351 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-358 | T-MOBILE USA, INC. | Yes |
| 503-360 | ONVOY, LLC - OR | Yes |
| 503-367 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-380 | T-MOBILE USA, INC. | No |
| 503-381 | T-MOBILE USA, INC. | Yes |
| 503-382 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-384 | QWEST CORPORATION | Yes |
| 503-388 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-401 | QWEST CORPORATION | No |
| 503-402 | QWEST CORPORATION | No |
| 503-407 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-408 | QWEST CORPORATION | No |
| 503-412 | QWEST CORPORATION | Yes |
| 503-413 | QWEST CORPORATION | Yes |
| 503-414 | QWEST CORPORATION | No |
| 503-415 | QWEST CORPORATION | Yes |
| 503-416 | LEVEL 3 TELECOM OF OREGON, LLC - OR | No |
| 503-417 | QWEST CORPORATION | No |
| 503-418 | QWEST CORPORATION | No |
| 503-419 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-421 | T-MOBILE USA, INC. | Yes |
| 503-422 | T-MOBILE USA, INC. | Yes |
| 503-423 | QWEST CORPORATION | Yes |
| 503-425 | QWEST CORPORATION | Yes |
| 503-426 | NORTH COUNTY COMMUNICATION CORPORATION - OR | No |
| 503-432 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-441 | QWEST CORPORATION | No |
| 503-442 | T-MOBILE USA, INC. | Yes |
| 503-444 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-445 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-446 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-449 | T-MOBILE USA, INC. | Yes |
| 503-450 | QWEST CORPORATION | No |
| 503-452 | QWEST CORPORATION | No |
| 503-453 | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | Yes |
| 503-459 | LEVEL 3 TELECOM OF OREGON, LLC - OR | Yes |
| 503-460 | QWEST CORPORATION | Yes |
| 503-464 | QWEST CORPORATION | Yes |
| 503-467 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-471 | QWEST CORPORATION | No |
| 503-473 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-475 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-477 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-478 | QWEST CORPORATION | No |
| 503-481 | T-MOBILE USA, INC. | No |
| 503-484 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-488 | LEVEL 3 TELECOM OF OREGON, LLC - OR | Yes |
| 503-490 | T-MOBILE USA, INC. | Yes |
| 503-493 | QWEST CORPORATION | No |
| 503-494 | QWEST CORPORATION | No |
| 503-497 | QWEST CORPORATION | No |
| 503-499 | QWEST CORPORATION | No |
| 503-500 | TELTRUST CORPORATION - OR | Yes |
| 503-501 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-502 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-504 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-505 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-514 | SPOK, INC. | No |
| 503-515 | T-MOBILE USA, INC. | No |
| 503-516 | T-MOBILE USA, INC. | No |
| 503-517 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | No |
| 503-519 | T-MOBILE USA, INC. | Yes |
| 503-522 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-525 | QWEST CORPORATION | No |
| 503-527 | SPOK, INC. | No |
| 503-528 | QWEST CORPORATION | Yes |
| 503-529 | SPOK, INC. | No |
| 503-535 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-539 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-542 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-544 | T-MOBILE USA, INC. | No |
| 503-545 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-546 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | No |
| 503-548 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-552 | QWEST CORPORATION | No |
| 503-553 | QWEST CORPORATION | Yes |
| 503-568 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-572 | T-MOBILE USA, INC. | Yes |
| 503-575 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-577 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-593 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-595 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | No |
| 503-599 | SPOK, INC. | No |
| 503-604 | SPOK, INC. | No |
| 503-621 | QWEST CORPORATION | Yes |
| 503-679 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-680 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-688 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-701 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-702 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-703 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-704 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-705 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-706 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-708 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-709 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-715 | LEVEL 3 COMMUNICATIONS, LLC - OR | Yes |
| 503-719 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-720 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-721 | QWEST CORPORATION | No |
| 503-724 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-725 | QWEST CORPORATION | No |
| 503-727 | QWEST CORPORATION | No |
| 503-729 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-730 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-731 | QWEST CORPORATION | No |
| 503-733 | QWEST CORPORATION | No |
| 503-734 | LEVEL 3 TELECOM OF OREGON, LLC - OR | Yes |
| 503-735 | QWEST CORPORATION | Yes |
| 503-736 | QWEST CORPORATION | No |
| 503-737 | QWEST CORPORATION | Yes |
| 503-740 | T-MOBILE USA, INC. | No |
| 503-745 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | No |
| 503-750 | T-MOBILE USA, INC. | No |
| 503-752 | T-MOBILE USA, INC. | Yes |
| 503-753 | T-MOBILE USA, INC. | Yes |
| 503-754 | T-MOBILE USA, INC. | Yes |
| 503-756 | T-MOBILE USA, INC. | Yes |
| 503-757 | T-MOBILE USA, INC. | Yes |
| 503-758 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-760 | QWEST CORPORATION | No |
| 503-761 | QWEST CORPORATION | No |
| 503-762 | QWEST CORPORATION | No |
| 503-764 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-768 | QWEST CORPORATION | No |
| 503-771 | QWEST CORPORATION | No |
| 503-772 | QWEST CORPORATION | No |
| 503-774 | QWEST CORPORATION | No |
| 503-775 | QWEST CORPORATION | No |
| 503-777 | QWEST CORPORATION | No |
| 503-778 | QWEST CORPORATION | Yes |
| 503-780 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-781 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-784 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-788 | QWEST CORPORATION | No |
| 503-789 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-790 | QWEST CORPORATION | No |
| 503-793 | T-MOBILE USA, INC. | Yes |
| 503-795 | QWEST CORPORATION | No |
| 503-796 | QWEST CORPORATION | No |
| 503-797 | QWEST CORPORATION | No |
| 503-799 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-802 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | No |
| 503-803 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-804 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-805 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-806 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-807 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-808 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-810 | T-MOBILE USA, INC. | No |
| 503-813 | QWEST CORPORATION | No |
| 503-816 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-817 | SPOK, INC. | No |
| 503-818 | SPOK, INC. | No |
| 503-819 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-820 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-821 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 503-823 | QWEST CORPORATION | No |
| 503-827 | QWEST CORPORATION | No |
| 503-830 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-833 | QWEST CORPORATION | Yes |
| 503-839 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-841 | T-MOBILE USA, INC. | Yes |
| 503-847 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-849 | T-MOBILE USA, INC. | Yes |
| 503-853 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-860 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-863 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-865 | QWEST CORPORATION | No |
| 503-866 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-867 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-869 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-870 | SPOK, INC. | No |
| 503-872 | QWEST CORPORATION | No |
| 503-875 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-880 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-886 | QWEST CORPORATION | Yes |
| 503-887 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-888 | T-MOBILE USA, INC. | No |
| 503-889 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-890 | T-MOBILE USA, INC. | Yes |
| 503-891 | T-MOBILE USA, INC. | Yes |
| 503-892 | QWEST CORPORATION | No |
| 503-893 | IP HORIZON LLC | Yes |
| 503-894 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-896 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-901 | T-MOBILE USA, INC. | Yes |
| 503-903 | SPOK, INC. | No |
| 503-904 | SPOK, INC. | No |
| 503-909 | QWEST CORPORATION | No |
| 503-913 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-914 | T-MOBILE USA, INC. | Yes |
| 503-915 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-916 | QWEST CORPORATION | Yes |
| 503-920 | SPOK, INC. | No |
| 503-921 | SPOK, INC. | No |
| 503-922 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-926 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-927 | T-MOBILE USA, INC. | Yes |
| 503-928 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-929 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-933 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-935 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-936 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-937 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | No |
| 503-938 | SPOK, INC. | No |
| 503-939 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | No |
| 503-940 | SPOK, INC. | No |
| 503-942 | SPOK, INC. | No |
| 503-943 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-944 | QWEST CORPORATION | Yes |
| 503-946 | TELEPORT COMMUNICATIONS AMERICA, LLC - OR | Yes |
| 503-948 | QWEST CORPORATION | No |
| 503-952 | QWEST CORPORATION | Yes |
| 503-953 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-954 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-955 | SPOK, INC. | No |
| 503-956 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-957 | T-MOBILE USA, INC. | Yes |
| 503-960 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-961 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | Yes |
| 503-962 | QWEST CORPORATION | Yes |
| 503-963 | QWEST CORPORATION | No |
| 503-964 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | Yes |
| 503-969 | METROPCS, INC. | Yes |
| 503-970 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 503-972 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | No |
| 503-973 | QWEST CORPORATION | No |
| 503-975 | T-MOBILE USA, INC. | Yes |
| 503-977 | QWEST CORPORATION | No |
| 503-978 | QWEST CORPORATION | No |
| 503-988 | QWEST CORPORATION | No |
| 503-993 | SPOK, INC. | No |
| 503-995 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 503-997 | T-MOBILE USA, INC. | No |
| 503-998 | T-MOBILE USA, INC. | No |
FAQ
What area code is Portland, OR?
Portland is served by 2 area codes — 503, 971 — which overlay the same territory.
How many prefixes does Portland have?
497 active NXX prefixes are anchored to this rate center in NANPA records, held by 41 carriers.
Is a call from a Portland prefix really from Portland?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.