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: DWNYCAXG80G

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-401 A Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 0 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 1 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 2 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 4 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 5 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 6 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 7 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 8 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-401 9 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-803 A Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-922 A Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-922 6 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-922 7 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-922 8 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 A Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 0 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 1 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 2 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 3 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 4 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 6 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 8 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      
562-940 9 Downey CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.