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: 857

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-857 A Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      
707-857 0 Geyserville CA SNFCCA01XGX  516C AT&T CORP. 722   2011-05-16   
707-857 1 Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      
707-857 2 Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      
707-857 3 Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      
707-857 4 Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      
707-857 5 Geyserville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2005-12-09   
707-857 6 Geyserville CA OKLECAZVGT0  5562 METROPCS, INC. 722   2010-08-09   
707-857 7 Geyserville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-14   
707-857 8 Geyserville CA   515J IP HORIZON LLC 722   2006-10-12   
707-857 9 Geyserville CA GYVLCA11RS0  9740 PACIFIC BELL 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.