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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
503-802 A Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-803 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-804 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-805 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-806 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-807 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-808 A Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 0 Portland OR   6529 T-MOBILE USA, INC. 672   2004-11-26   
503-808 1 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 2 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 3 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 4 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 5 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 6 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-808 7 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-05-08   
503-808 8 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2004-07-30   
503-808 9 Portland OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2004-08-28   
503-809 A North Plains OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-809 0 North Plains OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2014-10-24   
503-809 1 North Plains OR   6529 T-MOBILE USA, INC. 672      
503-809 2 North Plains OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-05-15   
503-809 3 North Plains OR   6529 T-MOBILE USA, INC. 672      
503-809 4 North Plains OR   750E ONVOY, LLC - OR 672   2020-11-10   
503-809 5 North Plains OR   750E ONVOY, LLC - OR 672   2020-11-10   
503-809 6 North Plains OR   6529 T-MOBILE USA, INC. 672      
503-809 7 North Plains OR   624H ONVOY SPECTRUM, LLC 672   2024-10-15   
503-809 8 North Plains OR   750E ONVOY, LLC - OR 672   2020-08-14   
503-809 9 North Plains OR   6529 T-MOBILE USA, INC. 672      
503-810 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-812 A Tillamook OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 0 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 1 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 2 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 3 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 4 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2007-02-17   
503-812 5 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 6 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 7 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 8 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-812 9 Tillamook OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-813 A Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-814 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-814 0 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-12-04   
503-814 1 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 2 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 3 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 4 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 5 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 6 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 7 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-11-17   
503-814 8 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-12-04   
503-814 9 Salem OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-12-04   
503-815 A Tillamook OR TLMKORXARS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-816 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-817 A Portland OR PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-818 A Portland OR PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-819 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-820 A Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 0 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 1 Portland OR   5562 METROPCS, INC. 672   2005-09-11   
503-820 2 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 3 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-10-22   
503-820 4 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 5 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 6 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 7 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-820 8 Portland OR   6529 T-MOBILE USA, INC. 672   2005-07-04   
503-820 9 Portland OR   6529 T-MOBILE USA, INC. 672   2006-06-24   
503-821 A Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 0 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 1 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 2 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 3 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 4 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 5 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 6 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2004-07-30   
503-821 7 Portland OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2004-07-16   
503-821 8 Portland OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-821 9 Portland OR   6529 T-MOBILE USA, INC. 672   2006-07-13   
503-822 A Sherwood OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-822 0 Sherwood OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2008-01-31   
503-822 1 Sherwood OR   145J TERRA NOVA TELECOM INC. 672   2025-07-12   
503-822 2 Sherwood OR   624H ONVOY SPECTRUM, LLC 672   2021-12-13   
503-822 3 Sherwood OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2008-02-12   
503-822 5 Sherwood OR   318J COMCAST IP PHONE, LLC 672   2010-10-14   
503-822 6 Sherwood OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2011-04-07   
503-822 7 Sherwood OR   750E ONVOY, LLC - OR 672   2020-11-10   
503-822 8 Sherwood OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2020-12-03   
503-823 A Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-824 A Colton OR COTNORXA0MD  2364 COLTON TEL. CO. 672      
503-825 A Sherwood OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-825 0 Sherwood OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-02-20   
503-825 1 Sherwood OR   318J COMCAST IP PHONE, LLC 672      
503-825 2 Sherwood OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-06-04   
503-825 3 Sherwood OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-825 4 Sherwood OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-825 5 Sherwood OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672   2007-07-09   
503-825 6 Sherwood OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672   2007-07-09   
503-825 7 Sherwood OR   750E ONVOY, LLC - OR 672   2007-05-28   
503-825 8 Sherwood OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-08-18   

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

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