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: 784

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-784 A Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 0 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 1 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 2 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 3 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 4 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 5 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 6 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 7 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 8 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   
657-784 9 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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