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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
503-922 1 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-08-18   
503-922 2 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-08-18   
503-922 3 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-08-18   
503-922 4 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-17   
503-922 5 Portland OR PTLJORIY0MD  5562 METROPCS, INC. 672   2020-02-24   
503-922 6 Portland OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2020-10-11   
503-922 7 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2020-05-09   
503-922 8 Portland OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2005-07-09   
503-922 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-09-10   
503-923 A Beaverton OR PTLDORPBDS7  647F ELTOPIA COMMUNICATIONS LLC - OR 672      
503-924 A Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 0 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 1 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 2 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 3 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 4 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 5 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 6 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2011-10-10   
503-924 7 Beaverton OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2007-05-28   
503-924 8 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2012-02-04   
503-924 9 Beaverton OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2013-01-16   
503-925 A Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 0 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 1 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 2 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 3 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-01-14   
503-925 4 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2002-05-08   
503-925 5 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-02-03   
503-925 6 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2011-11-23   
503-925 7 Sherwood OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-04-05   
503-925 8 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 9 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-926 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-926 0 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-10-25   
503-926 1 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-10-27   
503-926 2 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-11-07   
503-926 3 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-11-07   
503-926 4 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-11-07   
503-926 5 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2008-12-04   
503-926 6 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2008-12-04   
503-926 7 Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2008-10-26   
503-926 8 Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2008-10-26   
503-926 9 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2008-12-04   
503-927 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-927 0 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2006-03-05   
503-927 1 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-06   
503-927 2 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-06   
503-927 3 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-06   
503-927 4 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-06   
503-927 5 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-06   

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

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