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: HNBHCAXL84S

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-592 A Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
714-377 A Huntington Beach CA 2319 FRONTIER CALIFORNIA INC. 730      
714-625 A Huntington Beach CA 2319 FRONTIER CALIFORNIA INC. 730      
714-840 A Huntington Beach CA 2319 FRONTIER CALIFORNIA INC. 730      
714-846 A Huntington Beach CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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