Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-666 A Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 0 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 1 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 2 Los Angeles: DA 01 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-03-27   
213-666 3 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 4 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 5 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 6 Los Angeles: DA 01 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-03-27   
213-666 7 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 8 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
213-666 9 Los Angeles: DA 01 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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