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: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-445 A Bishop CA VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730      
442-445 0 Bishop CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-11-22   
442-445 1 Bishop CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-10   
442-445 4 Bishop CA VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2023-06-15   
442-445 5 Bishop CA VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2023-06-15   
442-445 8 Bishop CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-06-23   
442-445 9 Bishop CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-11-12   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.