Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 762

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-762 A Cypress CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-10-04   
657-762 0 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 1 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 2 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 3 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 4 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 7 Cypress CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-762 8 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-762 9 Cypress CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.