Local Calling Guide

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

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-257 A Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-257 0 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-09   
657-257 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-12-01   
657-257 2 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-03   
657-257 3 Westminster CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2015-11-22   
657-257 4 Westminster CA LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-11-19   
657-257 5 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-03   
657-257 6 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-03   
657-257 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-11-03   
657-257 8 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-11-02   
657-257 9 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-11-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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