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: WHHAILXCRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-374 A White Hall IL 1015 FRONTIER NORTH, INC. - IL 376      
217-374 1 White Hall IL 1015 FRONTIER NORTH, INC. - IL 376      
217-374 2 White Hall IL 1015 FRONTIER NORTH, INC. - IL 376      
217-374 6 White Hall IL 1015 FRONTIER NORTH, INC. - IL 376      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.