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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-444 A Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-444 1 Placentia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
657-444 2 Placentia CA ANHMCA01XEY  516C AT&T CORP. 730      
657-444 3 Placentia CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-444 4 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-444 5 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-444 6 Placentia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
657-444 7 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-444 8 Placentia CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
657-444 9 Placentia CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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