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
831-737 A Salinas CA SLNSCABI4MD  7453 U.S. TELEPACIFIC CORP. - CA 736   2006-05-19   
831-737 0 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-09-16   
831-737 1 Salinas CA   7453 U.S. TELEPACIFIC CORP. - CA 736   2006-05-19   
831-737 2 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2007-09-19   
831-737 3 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-10-06   
831-737 4 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2007-09-19   
831-737 5 Salinas CA   6664 SPRINT SPECTRUM L.P. 736   2007-09-19   
831-737 6 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-04-14   
831-737 7 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-11-06   
831-737 8 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2006-12-06   
831-737 9 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-10-16   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.