Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Keyesport, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-749 A KYPTILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-749 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-749 1   073H TELNYX LLC 520   2020-07-13   
618-749 2   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-749 3   224C ONVOY, LLC 520   2021-04-05   
618-749 4   224C ONVOY, LLC 520   2018-07-29   
618-749 5   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-749 6   224C ONVOY, LLC 520   2019-07-29   
618-749 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-22   
618-749 8   224C ONVOY, LLC 520   2019-07-29   
618-749 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
730-773 A   624H ONVOY SPECTRUM, LLC 520   2025-03-02   
730-773 0   624H ONVOY SPECTRUM, LLC 520   2025-03-02   
730-773 3   145J TERRA NOVA TELECOM INC. 520   2025-05-31   

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

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