Local Calling Guide

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Christopher, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-724 A CHRTILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-724 0   495J STRATUS NETWORKS 362   2020-10-14   
618-724 1   1015 FRONTIER NORTH, INC. - IL 362      
618-724 2   1015 FRONTIER NORTH, INC. - IL 362      
618-724 3   224C ONVOY, LLC 362   2018-10-01   
618-724 4   1015 FRONTIER NORTH, INC. - IL 362      
618-724 5   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2005-02-14   
618-724 6   9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362   2003-02-02   
618-724 7   1015 FRONTIER NORTH, INC. - IL 362      
618-724 8   224C ONVOY, LLC 362   2021-02-12   
618-724 9   1015 FRONTIER NORTH, INC. - IL 362      
730-201 A CRDLILXEX8X  224C ONVOY, LLC 362      
730-201 2   224C ONVOY, LLC 362   2023-10-23   
730-201 3   624H ONVOY SPECTRUM, LLC 362   2024-04-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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