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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-433 A North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-433 0 North Plains OR PTLDORWAXCY  647F ELTOPIA COMMUNICATIONS LLC - OR 672   2010-07-17   
503-433 1 North Plains OR BVTNORAGDS1  4980 XO OREGON, INC. 672   2007-04-27   
503-433 2 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-09-16   
503-433 3 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-09-16   
503-433 4 North Plains OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672   2011-01-21   
503-433 5 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-09-16   
503-433 6 North Plains OR PTLDOR13UMD  073H TELNYX LLC 672   2020-05-18   
503-433 7 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2009-03-12   
503-433 8 North Plains OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-09-26   
503-433 9 North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      

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

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