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: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-231 A Santa Ana CA ANHMCA01XEY  516C AT&T CORP. 730      
657-231 0 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 1 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 2 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 3 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 4 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 5 Santa Ana CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2014-02-12   
657-231 6 Santa Ana CA ANHMCA01XEY  516C AT&T CORP. 730   2014-01-29   
657-231 7 Santa Ana CA IRVECAJTRS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2014-03-21   
657-231 8 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-27   
657-231 9 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-05-10   

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

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