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: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-207 A San Francisco: Montrose-Evergreen DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-207 0 San Francisco: Montrose-Evergreen DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 1 San Francisco: Montrose-Evergreen DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 2 San Francisco: Montrose-Evergreen DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 3 San Francisco: Montrose-Evergreen DA CA   222H LOCAL ACCESS SERVICES LLC - CA 722   2016-09-30   
628-207 4 San Francisco: Montrose-Evergreen DA CA   649C ONVOY, LLC - CA 722   2016-10-07   
628-207 5 San Francisco: Montrose-Evergreen DA CA   649C ONVOY, LLC - CA 722   2016-10-07   
628-207 6 San Francisco: Montrose-Evergreen DA CA   649C ONVOY, LLC - CA 722   2016-10-07   
628-207 7 San Francisco: Montrose-Evergreen DA CA   433E SONIC TELECOM, LLC - CA 722   2016-09-30   
628-207 8 San Francisco: Montrose-Evergreen DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-30   
628-207 9 San Francisco: Montrose-Evergreen DA CA   6529 T-MOBILE USA, INC. 722   2016-09-30   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.