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
657-342 A Huntington Beach CA   6529 T-MOBILE USA, INC. 730      
657-342 0 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-01-23   
657-342 1 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2018-09-01   
657-342 2 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-03-08   
657-342 3 Huntington Beach CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
657-342 4 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-21   
657-342 5 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-12-05   
657-342 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-28   
657-342 7 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-10-06   
657-342 8 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-09-03   
657-342 9 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-10-06   

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

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