Local Calling Guide

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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-999 1 Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-05-28   
657-999 2 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-12-18   
657-999 3 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-12-18   
657-999 4 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-12-18   
657-999 5 Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-06-16   
657-999 6 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-11-03   
657-999 7 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-05   
657-999 8 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-05   
657-999 9 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-09-17   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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