Local Calling Guide

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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 MCMBILXDX9X  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 MCMBILXDX9X  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 MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977   2024-04-27   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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