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: IPLSIN01XGZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-790 A Indianapolis IN 156J RCLEC, INC. 336      
317-790 4 Indianapolis IN 156J RCLEC, INC. 336   2015-05-11   
463-202 7 Indianapolis IN 156J RCLEC, INC. 336   2017-03-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.