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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-556 A Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 0 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 1 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-08-10   
323-556 2 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 3 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 4 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-01-14   
323-556 5 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 6 Los Angeles: DA 13 CA LSANCAGJDS4  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 7 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 8 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 9 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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

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