Local Calling Guide

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

NXX: 389

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-389 A North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-389 0 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-389 1 North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2007-04-27   
503-389 2 North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2007-04-27   
503-389 3 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-02-20   
503-389 4 North Plains OR   750E ONVOY, LLC - OR 672   2008-06-09   
503-389 5 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-11-20   
503-389 6 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-12-23   
503-389 7 North Plains OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2004-10-01   
503-389 8 North Plains OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-12-23   
503-389 9 North Plains OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2024-05-28   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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