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: 948

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-948 A Yountville CA YNVLCA11RS0  9740 PACIFIC BELL 722      
707-948 1 Yountville CA   145J TERRA NOVA TELECOM INC. 722   2022-04-10   
707-948 2 Yountville CA YNVLCA11RS0  9740 PACIFIC BELL 722      
707-948 3 Yountville CA YNVLCA11RS0  9740 PACIFIC BELL 722      
707-948 5 Yountville CA   145J TERRA NOVA TELECOM INC. 722   2022-11-03   
707-948 6 Yountville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-02-25   
707-948 7 Yountville CA   145J TERRA NOVA TELECOM INC. 722   2021-09-28   
707-948 9 Yountville CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-09-30   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.