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.

Ullin, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-845 A ULLNILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-845 0 CRDLILXEXJX  073H TELNYX LLC 362      
618-845 2 HRBGILCBDS0  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362      
618-845 3 ULLNILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-845 4 CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362      
618-845 5 CRDLILXEX8X  224C ONVOY, LLC 362      
618-845 6 CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-845 7 CRDLILXEX8X  224C ONVOY, LLC 362      
618-845 8 CRDLIL13AMD  495J STRATUS NETWORKS 362      
618-845 9 ULLNILXERS0  1015 FRONTIER NORTH, INC. - IL 362      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.