Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-447 A North Plains OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-447 0 North Plains OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-447 1 North Plains OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-447 2 North Plains OR PTLDOR13UMD  073H TELNYX LLC 672   2020-10-18   
503-447 3 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-12-06   
503-447 4 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
503-447 5 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2006-10-12   
503-447 6 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-06-04   
503-447 7 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-09-16   
503-447 8 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
503-447 9 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2021-03-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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