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: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-704 A Los Angeles: DA 05 CA LSANCARCY5X  515J IP HORIZON LLC 730      
323-704 0 Los Angeles: DA 05 CA   515J IP HORIZON LLC 730      
323-704 1 Los Angeles: DA 05 CA   515J IP HORIZON LLC 730      
323-704 2 Los Angeles: DA 05 CA   515J IP HORIZON LLC 730      
323-704 3 Los Angeles: DA 05 CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2010-05-17   
323-704 4 Los Angeles: DA 05 CA   515J IP HORIZON LLC 730      
323-704 5 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-15   
323-704 6 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-05-15   
323-704 7 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-03   
323-704 8 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-03   
323-704 9 Los Angeles: DA 05 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-03   

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

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