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
831-776 A Salinas CA SLNSCABIOMD  6664 SPRINT SPECTRUM L.P. 736      
831-776 0 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2005-03-01   
831-776 1 Salinas CA   6664 SPRINT SPECTRUM L.P. 736      
831-776 2 Salinas CA   6664 SPRINT SPECTRUM L.P. 736      
831-776 3 Salinas CA   6664 SPRINT SPECTRUM L.P. 736      
831-776 4 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2005-09-30   
831-776 5 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2005-04-30   
831-776 6 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2004-06-13   
831-776 7 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2010-12-03   
831-776 8 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2004-01-03   
831-776 9 Salinas CA   6664 SPRINT SPECTRUM L.P. 736      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.