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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-607 A Ferndale CA   612K CSC VOICE, LLC 722      
707-607 0 Ferndale CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
707-607 1 Ferndale CA SNFCCAMKX9X  073H TELNYX LLC 722   2020-05-10   
707-607 3 Ferndale CA   612K CSC VOICE, LLC 722   2014-04-07   
707-607 4 Ferndale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
707-607 5 Ferndale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
707-607 6 Ferndale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-08-25   
707-607 7 Ferndale CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-03-19   
707-607 8 Ferndale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-12-09   
707-607 9 Ferndale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-28   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.