Local Calling Guide

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

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-479 A Clackamas OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-479 0 Clackamas OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672   2009-07-20   
503-479 1 Clackamas OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-479 2 Clackamas OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2015-10-17   
503-479 3 Clackamas OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-479 4 Clackamas OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2017-05-27   
503-479 5 Clackamas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-03-22   
503-479 6 Clackamas OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2004-02-09   
503-479 7 Clackamas OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-09-16   
503-479 8 Clackamas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-08-12   
503-479 9 Clackamas OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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