Local Calling Guide

Area code/prefix search

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Hettick, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-506 A COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-506 0   984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-06-20   
618-506 1   073H TELNYX LLC 520   2020-07-10   
618-506 6   224C ONVOY, LLC 520   2021-02-26   
618-506 8   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-506 9   495J STRATUS NETWORKS 520   2021-12-13   
618-778 A HTTCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 1   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 2   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 3   224C ONVOY, LLC 520   2019-07-28   
618-778 4   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 5   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 6   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-22   
618-778 7   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-778 8   224C ONVOY, LLC 520   2018-07-29   
618-778 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      

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

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