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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-304 A Santa Rosa CA OKLECAZV1MD  5562 METROPCS, INC. 722   2024-02-09   
707-304 0 Santa Rosa CA   5562 METROPCS, INC. 722   2007-06-23   
707-304 1 Santa Rosa CA   6529 T-MOBILE USA, INC. 722   2007-03-03   
707-304 2 Santa Rosa CA   5562 METROPCS, INC. 722   2007-09-22   
707-304 3 Santa Rosa CA   5562 METROPCS, INC. 722   2007-09-22   
707-304 4 Santa Rosa CA   6529 T-MOBILE USA, INC. 722   2007-09-22   
707-304 5 Santa Rosa CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-07-30   
707-304 6 Santa Rosa CA   5562 METROPCS, INC. 722   2008-07-04   
707-304 7 Santa Rosa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-27   
707-304 8 Santa Rosa CA   649C ONVOY, LLC - CA 722   2008-02-28   
707-304 9 Santa Rosa CA   5562 METROPCS, INC. 722   2008-07-17   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.