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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 983

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-983 A Covelo CA CVELCAXFDS0  4420 FRONTIER CALIFORNIA INC. 722      
707-983 1 Covelo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-14   
707-983 2 Covelo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-04-28   
707-983 3 Covelo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-14   
707-983 4 Covelo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-04-08   
707-983 5 Covelo CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-27   
707-983 6 Covelo CA CVELCAXFDS0  4420 FRONTIER CALIFORNIA INC. 722      
707-983 7 Covelo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-08-15   
707-983 8 Covelo CA CVELCAXFDS0  4420 FRONTIER CALIFORNIA INC. 722      
707-983 9 Covelo CA   145J TERRA NOVA TELECOM INC. 722   2021-01-06   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.