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.

Switch: BLVSCAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-549 A Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-549 0 Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-549 3 Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-549 4 Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-549 5 Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-549 9 Millville CA 2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.