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: 286

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-286 A St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 0 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 1 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 2 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 3 St Helena CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
707-286 4 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 5 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 6 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-11-05   
707-286 7 St Helena CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-286 8 St Helena CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-286 9 St Helena CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-12-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.