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.

NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 463

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-463 A Canoga Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-23   
818-463 0 Canoga Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-24   
818-463 1 Canoga Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-24   
818-463 2 Canoga Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-24   
818-463 3 Canoga Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-24   
818-463 4 Canoga Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-24   
818-463 5 Canoga Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-23   
818-463 6 Canoga Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-23   
818-463 7 Canoga Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-23   
818-463 8 Canoga Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-23   
818-463 9 Canoga Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.