Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 508

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-508 A Los Angeles: DA 12 CA BLFLCA01DS0  8322 MPOWER COMMUNICATIONS CORP. - CA 730      
323-508 0 Los Angeles: DA 12 CA BLFLCA01DS0  8322 MPOWER COMMUNICATIONS CORP. - CA 730      
323-508 1 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-09-30   
323-508 2 Los Angeles: DA 12 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
323-508 3 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-18   
323-508 4 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-03   
323-508 5 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-04-02   
323-508 6 Los Angeles: DA 12 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-30   
323-508 7 Los Angeles: DA 12 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-30   
323-508 8 Los Angeles: DA 12 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2014-10-07   
323-508 9 Los Angeles: DA 12 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-11-30   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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