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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-372 A Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 0 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 1 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 2 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 3 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 4 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 5 Beaverton OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-372 6 Beaverton OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2008-10-15   
503-372 7 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 8 Beaverton OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-372 9 Beaverton OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-373 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-374 A Tillamook OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-374 0 Tillamook OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-374 1 Tillamook OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2004-12-29   
503-374 2 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2018-01-15   
503-374 3 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2018-01-15   
503-374 4 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2018-01-15   
503-374 5 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2017-10-28   
503-374 6 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2017-10-28   
503-374 7 Tillamook OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-10   
503-374 8 Tillamook OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2017-08-25   
503-374 9 Tillamook OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-375 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-376 A McMinnville OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-376 0 McMinnville OR THDLORXABMD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2025-01-12   
503-376 1 McMinnville OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-376 2 McMinnville OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2024-09-20   
503-376 3 McMinnville OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-376 4 McMinnville OR BVTNORXBXMX  624H ONVOY SPECTRUM, LLC 672   2021-07-24   
503-376 5 McMinnville OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-08-14   
503-376 6 McMinnville OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-06-10   
503-376 7 McMinnville OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2006-10-02   
503-376 8 McMinnville OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-06-10   
503-376 9 McMinnville OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2002-07-31   
503-377 A Bay City OR BYCYORXARS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-378 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-379 A McMinnville OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-380 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 0 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 1 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 2 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 3 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 4 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 5 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 6 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 7 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 8 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-381 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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