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: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-668 A Idyllwild CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
951-668 0 Idyllwild CA LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-27   
951-668 8 Idyllwild CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-25   
951-668 9 Idyllwild CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-04-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.