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: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-709 A Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 0 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 1 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 2 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 3 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 4 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 5 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 6 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 7 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 8 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   
657-709 9 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-03   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.