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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-997 A Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 0 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 1 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 2 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 3 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 4 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 5 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 6 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-997 7 Fontana CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2004-04-01   
909-997 8 Fontana CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2004-04-09   
909-997 9 Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.