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: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-295 A Santa Cruz CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
831-295 0 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-295 1 Santa Cruz CA   6529 T-MOBILE USA, INC. 722   2005-08-14   
831-295 2 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-295 3 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      
831-295 4 Santa Cruz CA   6529 T-MOBILE USA, INC. 722   2006-04-06   
831-295 5 Santa Cruz CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
831-295 6 Santa Cruz CA   7262 XO CALIFORNIA, INC. 722   2010-09-24   
831-295 7 Santa Cruz CA   6529 T-MOBILE USA, INC. 722   2014-01-03   
831-295 8 Santa Cruz CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-19   
831-295 9 Santa Cruz CA   6529 T-MOBILE USA, INC. 722      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.