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.

Warren, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-327 A RCFRILRTZMD  224C ONVOY, LLC 360      
779-327 7 RCFRILRTZMD  224C ONVOY, LLC 360   2021-08-09   
815-745 A WRRNILXARS0  1036 FRONTIER NORTH, INC. - IL 360      
815-745 0 RCFRILRCX3X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 360   2019-11-20   
815-745 1 FRPTILXACMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-745 2 WRRNILXARS0  1036 FRONTIER NORTH, INC. - IL 360      
815-745 3 WRRNILXARS0  1036 FRONTIER NORTH, INC. - IL 360      
815-745 4 RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2004-07-02   
815-745 5 RCFRILRTZMD  224C ONVOY, LLC 360   2020-07-18   
815-745 7 RCFRILRTXRX  508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-02-20   
815-745 8 RCFRILRTZMD  224C ONVOY, LLC 360   2021-04-02   
815-818 A FRPTILBUDS0  443F AERO NORTH COMMUNICATIONS, INC. - IL 360      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.