Local Calling Guide

Area code/prefix search

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

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-631 A Fullerton CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-631 0 Fullerton CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-20   
657-631 1 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-11-21   
657-631 2 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-11-21   
657-631 3 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-09   
657-631 4 Fullerton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-16   
657-631 5 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
657-631 6 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-11-21   
657-631 7 Fullerton CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-11-21   
657-631 8 Fullerton CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-11-21   
657-631 9 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-09   

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

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