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: TRRHINXAQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
447-208 A Chrisman IL 224C ONVOY, LLC 938      
447-212 A West Union IL 224C ONVOY, LLC 938      
447-225 A Vermilion IL 224C ONVOY, LLC 938      
812-317 A Graysville IN 097D ONVOY, LLC - IN 938      
930-218 A Shelburn IN 097D ONVOY, LLC - IN 938      
930-666 A Terre Haute IN 097D ONVOY, LLC - IN 938      
930-913 A Riley IN 097D ONVOY, LLC - IN 938      

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

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