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: IPLSIN080MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-206 A Franklin IN 624H ONVOY SPECTRUM, LLC 336   2024-07-29   
463-317 A Indianapolis IN 624H ONVOY SPECTRUM, LLC 336      
463-355 A Fairland IN 624H ONVOY SPECTRUM, LLC 336      
463-464 A Shelbyville IN 624H ONVOY SPECTRUM, LLC 336      
463-466 A West Newton IN 624H ONVOY SPECTRUM, LLC 336      
463-710 A Indianapolis IN 624H ONVOY SPECTRUM, LLC 336      
765-695 A Frankfort IN 624H ONVOY SPECTRUM, LLC 336      
765-718 A Mechanicsburg (Boone) IN 624H ONVOY SPECTRUM, LLC 336      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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