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.

OCN: 0750 FRONTIER COMMUNICATIONS OF INDIANA, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
765-948 A Fairmount IN FAMTINXADS0  336      
765-948 3 Fairmount IN   336      
765-948 4 Fairmount IN   336      
765-948 5 Fairmount IN   336      
765-948 6 Fairmount IN   336      
765-948 7 Fairmount IN   336      
765-948 9 Fairmount IN   336      

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

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