Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-329 A Huntington Beach CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-329 0 Huntington Beach CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-30   
657-329 1 Huntington Beach CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-30   
657-329 2 Huntington Beach CA   073H TELNYX LLC 730   2017-06-02   
657-329 3 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-02-24   
657-329 4 Huntington Beach CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-08-31   
657-329 5 Huntington Beach CA   649C ONVOY, LLC - CA 730   2017-12-09   
657-329 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-06-11   
657-329 7 Huntington Beach CA   649C ONVOY, LLC - CA 730   2017-12-09   
657-329 8 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-03   
657-329 9 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-07-11   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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