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: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-425 A Westminster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-425 0 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2020-07-06   
657-425 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-03-07   
657-425 2 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-03-07   
657-425 3 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-04-12   
657-425 4 Westminster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-04-27   
657-425 5 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-04-26   
657-425 6 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-03   
657-425 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-17   
657-425 8 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-05-07   
657-425 9 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-05-07   

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

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