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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-203 A Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-203 0 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-07-27   
628-203 1 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-07-27   
628-203 2 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-08   
628-203 3 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-08   
628-203 4 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-08   
628-203 5 Stinson Beach-Bolinas CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-22   
628-203 6 Stinson Beach-Bolinas CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-22   
628-203 7 Stinson Beach-Bolinas CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-22   
628-203 8 Stinson Beach-Bolinas CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-22   
628-203 9 Stinson Beach-Bolinas CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-14   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.