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: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-276 A Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
657-276 0 Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2016-06-07   
657-276 1 Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-09-19   
657-276 2 Anaheim CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-10   
657-276 3 Anaheim CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2016-07-07   
657-276 4 Anaheim CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2018-09-22   
657-276 5 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-06-07   
657-276 6 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-15   
657-276 7 Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2017-06-30   
657-276 8 Anaheim CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2017-08-24   
657-276 9 Anaheim CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-09-21   

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

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