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: LNRKILXA3MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-309 A Shannon IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-350 A Franklin Grove IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-360 A Sublette IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-574 A Harmon IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-576 A Polo IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-583 A Morrison IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-798 A Milledgeville IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-829 A Chadwick IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-835 A Dixon IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-841 A Mount Morris IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-843 A Ashton IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-917 A Rochelle IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-924 A Prophetstown IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-951 A Amboy IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      
815-952 A Lanark IL 443F AERO NORTH COMMUNICATIONS, INC. - IL 364      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.