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: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-258 A Placentia CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-258 0 Placentia CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-01-23   
657-258 1 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-23   
657-258 2 Placentia CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-03   
657-258 3 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-23   
657-258 4 Placentia CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-11   
657-258 5 Placentia CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-31   
657-258 6 Placentia CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-11   
657-258 7 Placentia CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-02-26   
657-258 8 Placentia CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-03-19   
657-258 9 Placentia CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-03-18   

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

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