Local Calling Guide

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Elvaston, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-845 A ELTNILXCRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 1   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 2   342F MTC COMMUNICATIONS, INC. - IL 977   2019-01-24   
217-845 3   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 4   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 5   224C ONVOY, LLC 977   2020-03-13   
217-845 6   508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-08-09   
217-845 7   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 8   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-845 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
447-441 A MCMBILXDX9X  224C ONVOY, LLC 977      
447-441 1   224C ONVOY, LLC 977   2021-07-05   
447-441 4   624H ONVOY SPECTRUM, LLC 977   2023-07-29   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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