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.

Calhoun, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-863 A CLHNILXERS0  1036 FRONTIER NORTH, INC. - IL 978      
618-863 0 OLNYILXEGMD  224C ONVOY, LLC 978      
618-863 1 OLNYILXEWMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 978      
618-863 2 CLHNILXERS0  1036 FRONTIER NORTH, INC. - IL 978      
618-863 3 OLNYILXEEMD  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 978      
618-863 4 OLNYILXEGMD  224C ONVOY, LLC 978      
618-863 5 OLNYILXEX2X  624H ONVOY SPECTRUM, LLC 978      
618-863 8 OLNYILXEGMD  224C ONVOY, LLC 978      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.