Local Calling Guide

Area code/prefix search

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

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-600 A Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
657-600 0 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-05-07   
657-600 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-07-03   
657-600 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-08-03   
657-600 3 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-06-04   
657-600 4 Santa Ana CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-05-11   
657-600 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-05-08   
657-600 6 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-05-07   
657-600 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-03   
657-600 8 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-05-09   
657-600 9 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-01-28   

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

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