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
831-676 A Salinas CA SLNSCA01X1X  7421 AT&T LOCAL 736      
831-676 0 Salinas CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 736   2011-09-26   
831-676 1 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2011-09-22   
831-676 2 Salinas CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 736   2011-07-25   
831-676 3 Salinas CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 736   2006-04-13   
831-676 4 Salinas CA   5562 METRO PCS, INC. 736   2011-09-25   
831-676 5 Salinas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2006-06-04   
831-676 6 Salinas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2006-06-04   
831-676 7 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-03-28   
831-676 8 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-05-28   
831-676 9 Salinas CA   7421 AT&T LOCAL 736      

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

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.