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.

Winnebago, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-778 A RCFRILRTZMD  224C ONVOY, LLC 360      
779-778 0 RCFRILRTXXX  073H TELNYX LLC 360   2020-07-26   
779-778 1 RCFRILRTZMD  224C ONVOY, LLC 360   2020-07-25   
779-778 2 RCFRILRTZMD  224C ONVOY, LLC 360   2021-02-26   
779-778 3 RCFRILRTZMD  224C ONVOY, LLC 360   2021-02-26   
779-778 4 RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-10-29   
779-778 6 RCFRILRCX3X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 360   2020-11-10   
779-778 8 CHCGIL24XMD  495J STRATUS NETWORKS 360   2020-10-14   
815-335 A WNNBILXARS1  1015 FRONTIER NORTH, INC. - IL 360      
815-335 0 RCFRILRTXRX  508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-02-20   
815-335 1 WNNBILXARS1  1015 FRONTIER NORTH, INC. - IL 360      
815-335 2 WNNBILXARS1  1015 FRONTIER NORTH, INC. - IL 360      
815-335 3 WNNBILXARS1  1015 FRONTIER NORTH, INC. - IL 360      
815-335 4 RCFRILRTX4Y  318J COMCAST IP PHONE, LLC 360   2006-08-09   
815-335 5 RCFRILRTXDX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-335 6 RCFRILRTX4Y  318J COMCAST IP PHONE, LLC 360   2007-09-23   
815-335 7 WNNBILXARS1  1015 FRONTIER NORTH, INC. - IL 360      
815-335 8 RCFRILRTPMD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 360   2014-04-15   
815-335 9 RCFRILRTZMD  224C ONVOY, LLC 360   2018-07-30   
815-891 A FRPTILBUDS0  443F AERO NORTH COMMUNICATIONS, INC. - IL 360      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.