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: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-819 A Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 0 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 1 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 2 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 3 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 4 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 5 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 6 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 7 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 8 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   
657-819 9 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-07-26   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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