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: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-267 A Big Sur CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-267 6 Big Sur CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   
831-267 7 Big Sur CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2007-02-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.