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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-667 A Inyokern CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-667 0 Inyokern CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730      
442-667 1 Inyokern CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730      
442-667 2 Inyokern CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
442-667 3 Inyokern CA LSANCAJW7MD  939H COMMIO, LLC 730      
442-667 6 Inyokern CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
442-667 8 Inyokern CA LSANCAJWIMD  965H FRACTEL, LLC 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.