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.
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Switch: LAHBCAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-266 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      
562-321 A Whittier CA 2319 FRONTIER CALIFORNIA INC. 730      
562-690 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      
562-691 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      
562-694 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      
562-697 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      
562-905 A La Habra CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Thu, 31 Jan 2019 11:20:40 UTC

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