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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-623 A Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-623 0 Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-12-12   
657-623 1 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-12-11   
657-623 2 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-12-11   
657-623 3 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 4 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 5 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 6 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 7 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 8 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-21   
657-623 9 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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