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: 615

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-615 A Santa Rosa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-615 0 Santa Rosa CA   649C ONVOY, LLC - CA 722   2018-02-19   
707-615 1 Santa Rosa CA   649C ONVOY, LLC - CA 722   2018-02-19   
707-615 2 Santa Rosa CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-03-14   
707-615 3 Santa Rosa CA   649C ONVOY, LLC - CA 722   2019-06-09   
707-615 4 Santa Rosa CA   649C ONVOY, LLC - CA 722   2019-06-09   
707-615 5 Santa Rosa CA   649C ONVOY, LLC - CA 722   2019-06-09   
707-615 6 Santa Rosa CA   649C ONVOY, LLC - CA 722   2019-06-09   
707-615 7 Santa Rosa CA   318J COMCAST IP PHONE, LLC 722   2018-02-20   
707-615 8 Santa Rosa CA   5562 METROPCS, INC. 722   2018-03-30   
707-615 9 Santa Rosa CA   5562 METROPCS, INC. 722   2018-03-30   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.