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: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-532 A Ben Lomond CA FRMTCAEDDS0  7262 XO CALIFORNIA, INC. 722      
831-532 0 Ben Lomond CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-01-16   
831-532 1 Ben Lomond CA   7262 XO CALIFORNIA, INC. 722      
831-532 2 Ben Lomond CA   7262 XO CALIFORNIA, INC. 722   2004-09-24   
831-532 3 Ben Lomond CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-11-16   
831-532 4 Ben Lomond CA   7262 XO CALIFORNIA, INC. 722   2005-06-01   
831-532 5 Ben Lomond CA   516C AT&T CORP. 722   2011-09-26   
831-532 6 Ben Lomond CA   073H TELNYX LLC 722   2017-07-20   
831-532 7 Ben Lomond CA   7262 XO CALIFORNIA, INC. 722   2005-06-13   
831-532 8 Ben Lomond CA   649C ONVOY, LLC - CA 722   2005-06-13   
831-532 9 Ben Lomond CA   649C ONVOY, LLC - CA 722   2005-06-13   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.