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
657-203 A Huntington Beach CA LSANCA54RS1  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-06-05   
657-203 0 Huntington Beach CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-06-05   
657-203 1 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2010-06-08   
657-203 2 Huntington Beach CA   7262 XO CALIFORNIA, INC. 730   2010-06-08   
657-203 3 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-06-20   
657-203 4 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-07-11   
657-203 5 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-08-01   
657-203 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-08-01   
657-203 7 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-08-07   
657-203 8 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-29   
657-203 9 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-08-06   

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

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