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: 298

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-298 A Carmel Valley CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-298 0 Carmel Valley CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-28   
831-298 1 Carmel Valley CA   515J IP HORIZON LLC 736      
831-298 2 Carmel Valley CA   515J IP HORIZON LLC 736      
831-298 3 Carmel Valley CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-298 4 Carmel Valley CA MTRYCAPM0MD  073H TELNYX LLC 736   2018-07-03   
831-298 5 Carmel Valley CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-26   
831-298 6 Carmel Valley CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-298 7 Carmel Valley CA SLNSCA01XHY  318J COMCAST IP PHONE, LLC 736   2006-04-13   
831-298 8 Carmel Valley CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-26   
831-298 9 Carmel Valley CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-05-02   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.