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.

Ferris, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-746 A FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-746 0 GLBGILXDDMD  224C ONVOY, LLC 977   2020-03-13   
217-746 1 GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   
217-746 2 FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-746 3 FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-746 4 CLCHILXDDS2  342F MTC COMMUNICATIONS, INC. - IL 977   2018-03-18   
217-746 5 FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-746 6 GLBGILXDDMD  224C ONVOY, LLC 977   2021-04-09   
217-746 7 GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-07-29   
217-746 8 FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-746 9 FRRSILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
447-272 A MCMBILXDX9X  224C ONVOY, LLC 977      
447-272 2 MCMBILXDX9X  224C ONVOY, LLC 977   2023-11-04   
447-272 4   624H ONVOY SPECTRUM, LLC 977   2024-04-27   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.