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: LNCLILXCDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-410 A Beason IL 624H ONVOY SPECTRUM, LLC 366      
217-633 A Hartsburg IL 624H ONVOY SPECTRUM, LLC 366      
217-941 A Kenney IL 624H ONVOY SPECTRUM, LLC 366      
447-447 A Lincoln IL 624H ONVOY SPECTRUM, LLC 366   2024-04-08   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.