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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-451 0 Los Angeles: DA 09 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-451 4 Los Angeles: DA 09 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-451 6 Los Angeles: DA 09 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-454 A Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-454 4 Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-454 6 Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-454 9 Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-456 A Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-456 0 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-456 1 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-456 7 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-456 8 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-487 4 Los Angeles: DA 06 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-11-24   
323-495 4 Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2009-01-24   
323-505 A Los Angeles: DA 04 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-505 0 Los Angeles: DA 04 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-505 3 Los Angeles: DA 04 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-508 A Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-508 0 Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-522 A Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-522 0 Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-523 A Los Angeles: DA 06 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-523 0 Los Angeles: DA 06 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-523 2 Los Angeles: DA 06 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-523 8 Los Angeles: DA 06 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-530 5 Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2018-03-02   
323-535 A Los Angeles: DA 02 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 A Los Angeles: DA 03 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 2 Los Angeles: DA 03 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 8 Los Angeles: DA 03 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-543 9 Los Angeles: DA 03 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 A Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 0 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 2 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 3 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 5 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 7 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 8 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-556 9 Los Angeles: DA 13 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-558 A Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-558 0 Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-558 5 Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-558 7 Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-576 1 Los Angeles: DA 04 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-596 A Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-596 2 Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-596 4 Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-596 9 Los Angeles: DA 12 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-597 2 Montebello CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-12-25   
323-647 A Los Angeles: DA 05 CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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

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