Local Calling Guide

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

NXX: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-676 A Gresham OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-676 0 Gresham OR PTLJORIY0MD  5562 METROPCS, INC. 672   2016-04-04   
503-676 1 Gresham OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-676 2 Gresham OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-676 3 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-676 4 Gresham OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-676 5 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-676 6 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-676 7 Gresham OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-676 8 Gresham OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672   2009-07-20   
503-676 9 Gresham OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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