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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
503-449 3 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 4 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 5 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 6 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 7 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 8 Portland OR   6529 T-MOBILE USA, INC. 672      
503-449 9 Portland OR   6529 T-MOBILE USA, INC. 672      
503-450 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-451 A Clackamas OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-451 0 Clackamas OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-451 1 Clackamas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2016-03-10   
503-451 2 Clackamas OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-451 3 Clackamas OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-11-28   
503-451 4 Clackamas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2016-03-10   
503-451 5 Clackamas OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-01-28   
503-451 6 Clackamas OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2011-08-05   
503-451 7 Clackamas OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-451 8 Clackamas OR   9638 QWEST CORPORATION 672   2010-11-19   
503-451 9 Clackamas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2016-03-10   
503-452 A Portland OR PTLDOR17DS0  9638 QWEST CORPORATION 672      
503-453 A Portland OR TGRDORXACG0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-453 0 Portland OR   6529 T-MOBILE USA, INC. 672   2004-04-19   
503-453 1 Portland OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-453 2 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-453 3 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-453 4 Portland OR   6529 T-MOBILE USA, INC. 672   2004-03-26   
503-453 5 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-453 6 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-453 7 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-453 8 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2002-11-04   
503-453 9 Portland OR   6529 T-MOBILE USA, INC. 672   2002-12-02   
503-454 A Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 0 Stafford-Sandy OR   318J COMCAST IP PHONE, LLC 672      
503-454 1 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 2 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 3 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 4 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 5 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 6 Stafford-Sandy OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-02-27   
503-454 7 Stafford-Sandy OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-454 8 Stafford-Sandy OR   624H ONVOY SPECTRUM, LLC 672   2021-05-22   
503-454 9 Stafford-Sandy OR   624H ONVOY SPECTRUM, LLC 672   2021-05-22   
503-455 A Westport OR WSPTOR64DS0  9638 QWEST CORPORATION 672      
503-455 0 Westport OR   9638 QWEST CORPORATION 672      
503-455 1 Westport OR   9638 QWEST CORPORATION 672      
503-455 2 Westport OR   9638 QWEST CORPORATION 672      
503-455 3 Westport OR   9638 QWEST CORPORATION 672      
503-455 4 Westport OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-12-24   
503-455 5 Westport OR   750E ONVOY, LLC - OR 672   2012-12-16   
503-455 6 Westport OR   750E ONVOY, LLC - OR 672   2012-12-16   
503-455 7 Westport OR   750E ONVOY, LLC - OR 672   2012-12-16   
503-455 8 Westport OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2014-10-12   
503-455 9 Westport OR   9638 QWEST CORPORATION 672      
503-456 A Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-457 A Tillamook OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-457 0 Tillamook OR   750E ONVOY, LLC - OR 672   2020-08-14   
503-457 1 Tillamook OR   6529 T-MOBILE USA, INC. 672   2018-05-05   
503-457 2 Tillamook OR   6529 T-MOBILE USA, INC. 672   2018-05-05   
503-457 3 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2018-02-19   
503-457 4 Tillamook OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2004-07-03   
503-457 5 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2016-06-03   
503-457 6 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2003-05-17   
503-457 7 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2017-07-02   
503-457 8 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2013-07-08   
503-457 9 Tillamook OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2018-10-22   
503-458 A Knappa OR KNPPORXADS0  2395 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK 672      
503-459 A Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 0 Portland OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 1 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 2 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 3 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 4 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2004-10-31   
503-459 5 Portland OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-459 6 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 7 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-07-31   
503-459 8 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-08-06   
503-459 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-08-06   
503-460 A Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-460 0 Portland OR   9638 QWEST CORPORATION 672      
503-460 1 Portland OR   9638 QWEST CORPORATION 672      
503-460 2 Portland OR   9638 QWEST CORPORATION 672      
503-460 3 Portland OR   9638 QWEST CORPORATION 672      
503-460 4 Portland OR   9638 QWEST CORPORATION 672      
503-460 5 Portland OR   9638 QWEST CORPORATION 672      
503-460 6 Portland OR   9638 QWEST CORPORATION 672      
503-460 7 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-11-07   
503-460 8 Portland OR   9638 QWEST CORPORATION 672      
503-460 9 Portland OR   9638 QWEST CORPORATION 672      
503-461 A Grand Ronde OR THDLORXAFMD  750E ONVOY, LLC - OR 672      
503-461 0 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-07-13   
503-461 1 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-07-13   
503-461 2 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-04-29   
503-461 3 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-04-29   
503-461 4 Grand Ronde OR   750E ONVOY, LLC - OR 672   2019-11-08   
503-461 5 Grand Ronde OR   750E ONVOY, LLC - OR 672   2019-01-10   
503-461 6 Grand Ronde OR   750E ONVOY, LLC - OR 672   2019-11-08   
503-461 7 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-07-13   
503-461 8 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-07-13   
503-461 9 Grand Ronde OR   750E ONVOY, LLC - OR 672   2020-07-13   
503-462 A Clackamas OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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