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: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-775 A Los Angeles: DA 06 CA WLMGCA01DS0  9740 PACIFIC BELL 730      
323-775 0 Los Angeles: DA 06 CA WLMGCA01DS0  9740 PACIFIC BELL 730      
323-775 1 Los Angeles: DA 06 CA WLMGCA01DS0  9740 PACIFIC BELL 730      
323-775 2 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-09-07   
323-775 3 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-04   
323-775 4 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-04-13   
323-775 5 Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-775 6 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-10-07   
323-775 7 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-04   
323-775 8 Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-11-07   
323-775 9 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-01-06   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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