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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-689 A Cypress CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-689 0 Cypress CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-27   
657-689 1 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 2 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 3 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 4 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 5 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 6 Cypress CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-10-29   
657-689 7 Cypress CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-27   
657-689 8 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-689 9 Cypress CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-27   

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

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