Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-789 A Anaheim CA LSANCAJWIMD  965H FRACTEL, LLC 730      
657-789 0 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 1 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 2 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 3 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 4 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 5 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-04-17   
657-789 6 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-06-11   
657-789 7 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-07-11   
657-789 8 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-07-11   
657-789 9 Anaheim CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-04-16   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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