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.


NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-438 A Indianapolis IN 516C AT&T CORP. 336   2011-01-19   
317-449 A Acton IN 516C AT&T CORP. 336      
317-647 A Sheridan IN 516C AT&T CORP. 336   2010-11-22   
765-684 A Middletown (Henry) IN 516C AT&T CORP. 336   2010-01-22   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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