Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-453 A Portland OR TGRDORXACG0  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-454 A Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-455 A Westport OR WSPTOR64DS0  9638 QWEST CORPORATION 672      
503-456 A Beaverton OR PTLDORWNDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-457 A Tillamook OR SHRDORXA2MD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-458 A Knappa OR KNPPORXADS0  2395 CENTURYTEL OF OREGON DBA CENTURYLINK 672      
503-459 A Portland OR PTLEORXMDS2  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-460 A Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-461 A Grand Ronde OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-462 A Clackamas OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-463 A Salem OR SALMOR59DS0  9638 QWEST CORPORATION 672      
503-464 A Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-465 A Gresham OR GRHMORXBCG1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-466 A Beaverton OR SMRWORXADS1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-467 A Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-17   
503-468 A Astoria OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-469 A Beaverton OR BVTNORXBDS1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-470 A Seaside OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-471 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-472 A McMinnville OR MMVLORXXDS1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-473 A Portland OR PTLDORWNDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-474 A McMinnville OR MMVLORXXDS1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-475 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-476 A Newberg OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-23   
503-477 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-478 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-479 A Clackamas OR PTLEORXMDS2  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-480 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-23   
503-481 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-482 A Stafford-Sandy OR PTLEORXMDS2  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-483 A Pacific City OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-484 A Portland OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-485 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672      
503-486 A Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC.-OR 672      
503-487 A Newberg OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC.-OR 672      
503-488 A Portland OR PTLEORXMDS2  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-489 A Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-23   
503-490 A Portland OR TGRDORDOAMD  6664 SPRINT SPECTRUM L.P. 672      
503-491 A Gresham OR GRHMORXBCG1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-492 A Gresham OR GRHMORXBCG1  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-493 A Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-494 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-495 A Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-496 A Clackamas OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-23   
503-497 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-498 A Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-499 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-500 A Portland OR PTLDORPBGT0  794G TELTRUST CORPORATION - OR 672      
503-501 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-502 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.