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: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-815 A Los Angeles: DA 12 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-815 0 Los Angeles: DA 12 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-30   
323-815 1 Los Angeles: DA 12 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2009-11-06   
323-815 2 Los Angeles: DA 12 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-30   
323-815 3 Los Angeles: DA 12 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-28   
323-815 4 Los Angeles: DA 12 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
323-815 5 Los Angeles: DA 12 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-12-18   
323-815 6 Los Angeles: DA 12 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-28   
323-815 7 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-08-18   
323-815 8 Los Angeles: DA 12 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-02-05   
323-815 9 Los Angeles: DA 12 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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