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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-313 A Ukiah CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-313 0 Ukiah CA SNFCCAMKX6Y  515J IP HORIZON LLC 722   2021-05-01   
707-313 1 Ukiah CA   145J TERRA NOVA TELECOM INC. 722   2022-04-10   
707-313 2 Ukiah CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2022-03-30   
707-313 3 Ukiah CA   145J TERRA NOVA TELECOM INC. 722   2021-01-07   
707-313 4 Ukiah CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-09-28   
707-313 5 Ukiah CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-313 6 Ukiah CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-09-28   
707-313 7 Ukiah CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2021-09-28   
707-313 8 Ukiah CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
707-313 9 Ukiah CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.