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

NXX: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-383 A Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 0 Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 1 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-383 2 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-10-19   
503-383 3 Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 4 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-11-16   
503-383 5 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2010-10-04   
503-383 6 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2010-09-03   
503-383 7 Salem OR GRVSORXXDS1  5511 DATAVISION COMMUNICATIONS LLC 672   2009-03-30   
503-383 8 Salem OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2005-06-12   
503-383 9 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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