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: BLTNILXDXMX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-260 A Bloomington IL 224C ONVOY, LLC 366      
309-386 A Bloomington IL 224C ONVOY, LLC 366      
309-590 A Bloomington IL 224C ONVOY, LLC 366      
309-708 A Minier Armington IL 224C ONVOY, LLC 366      
309-800 A Lexington IL 224C ONVOY, LLC 366   2024-08-06   
309-815 A Stanford IL 224C ONVOY, LLC 366      
309-983 A Ellsworth IL 224C ONVOY, LLC 366      
309-993 A Arrowsmith IL 224C ONVOY, LLC 366      
779-281 A Toluca IL 224C ONVOY, LLC 366      
779-362 A Fairbury IL 224C ONVOY, LLC 366      
779-398 A Pontiac IL 224C ONVOY, LLC 366   2024-07-05   
779-479 A Graymont IL 224C ONVOY, LLC 366      
779-579 A Kempton IL 224C ONVOY, LLC 366      
779-679 A Magnolia IL 224C ONVOY, LLC 366      
779-879 A Streator IL 224C ONVOY, LLC 366      
779-979 A Piper City IL 224C ONVOY, LLC 366      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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