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: MUNCIN01X0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-914 A Indianapolis IN 551G NUSO, LLC 336      
317-914 1 Indianapolis IN 551G NUSO, LLC 336   2012-12-30   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.