Local Calling Guide

Area code/prefix search

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

NXX: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-776 A Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 0 Anaheim CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-02-18   
657-776 1 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 2 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 3 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 4 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 5 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 6 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 7 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 8 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   
657-776 9 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-02-01   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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