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: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-780 A Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 0 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 1 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 2 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 3 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 4 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 5 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 6 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 7 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 8 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   
657-780 9 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-19   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.