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: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-904 A Los Angeles: DA 13 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-904 0 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2023-02-10   
323-904 1 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2023-02-10   
323-904 2 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-09-20   
323-904 3 Los Angeles: DA 13 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2008-11-15   
323-904 4 Los Angeles: DA 13 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-904 5 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2023-02-10   
323-904 6 Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2023-02-10   
323-904 7 Los Angeles: DA 13 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-10-08   
323-904 8 Los Angeles: DA 13 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-02-06   
323-904 9 Los Angeles: DA 13 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-05-21   

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

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