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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-664 A Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-664 0 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-664 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-664 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
657-664 6 Silverado CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2023-04-28   
657-664 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 8 Silverado CA IRVECA62GT3  6529 T-MOBILE USA, INC. 730   2023-08-09   
657-664 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   

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

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