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.

Sullivan, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-292 A DCTRILDCX1X  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 374   2010-03-11   
217-292 0   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-30   
217-292 1   224C ONVOY, LLC 374   2019-04-15   
217-292 2   224C ONVOY, LLC 374   2018-07-30   
217-292 3   224C ONVOY, LLC 374   2020-01-11   
217-292 4   224C ONVOY, LLC 374   2020-01-11   
217-292 5   224C ONVOY, LLC 374   2020-05-21   
217-292 6   224C ONVOY, LLC 374   2020-05-21   
217-292 7   224C ONVOY, LLC 374   2020-05-21   
217-292 8   224C ONVOY, LLC 374   2019-04-15   
217-292 9   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 374   2010-03-11   
217-728 A SLLVILXCRS2  1015 FRONTIER NORTH, INC. - IL 374      
217-728 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2005-02-14   
217-728 2   1015 FRONTIER NORTH, INC. - IL 374      
217-728 3   1015 FRONTIER NORTH, INC. - IL 374      
217-728 4   1015 FRONTIER NORTH, INC. - IL 374      
217-728 7   1015 FRONTIER NORTH, INC. - IL 374      
217-728 8   1015 FRONTIER NORTH, INC. - IL 374      
217-728 9   1015 FRONTIER NORTH, INC. - IL 374      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.