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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-496 A Eureka CA CRCYCAAO1MD  6261 UNITED STATES CELLULAR - CA 722      
707-496 0 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 1 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 2 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 3 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 4 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 5 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 6 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 7 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 8 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      
707-496 9 Eureka CA   6261 UNITED STATES CELLULAR - CA 722      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.