Local Calling Guide

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

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-666 A Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2024-01-23   
657-666 0 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-31   
657-666 1 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-12   
657-666 2 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-20   
657-666 3 Westminster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-27   
657-666 4 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-666 5 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-666 6 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2010-11-11   
657-666 7 Westminster CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2010-12-09   
657-666 8 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2013-09-22   
657-666 9 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2012-06-03   

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

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