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: WHTRCAXF69M

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-464 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 0 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 1 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 2 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 3 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 4 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 5 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 6 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-464 9 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-693 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-696 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-698 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-789 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 0 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 1 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 2 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 3 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 4 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 5 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 6 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 7 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-907 9 Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-945 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.