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: SLBHCAXF43J

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-342 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-430 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-431 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-493 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-594 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-596 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-598 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-626 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-795 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-797 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-799 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-936 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.