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: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-790 A Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 0 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 1 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 2 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 3 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 4 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 5 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 6 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 7 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 8 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   
657-790 9 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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