Local Calling Guide

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Tampico, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-438 A TMPCILXADS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 1   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 2   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 3   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 4   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 5   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 6   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 7   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-438 8   508J CENTURYLINK COMMUNICATIONS, LLC 364   2014-08-15   
815-438 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-982 A DKLBILXAQMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-982 0   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364   2017-09-23   
815-982 1   073H TELNYX LLC 364   2020-07-20   
815-982 2   224C ONVOY, LLC 364   2018-10-01   
815-982 3   224C ONVOY, LLC 364   2019-09-07   
815-982 4   624H ONVOY SPECTRUM, LLC 364   2023-07-07   
815-982 5   224C ONVOY, LLC 364   2021-04-03   
815-982 6   224C ONVOY, LLC 364   2021-08-12   
815-982 8   495J STRATUS NETWORKS 364   2020-10-14   

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

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