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: CYCYINXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
812-939 A Clay City IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-939 0 Clay City IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-939 1 Clay City IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-939 2 Clay City IN 0772 FRONTIER NORTH, INC.. - IN 938      
812-939 3 Clay City IN 0772 FRONTIER NORTH, INC.. - IN 938      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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