Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-232 A HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 0 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 1 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 2 COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-21   
618-232 3 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 4 COVLILCQXRX  224C ONVOY, LLC 520   2018-07-29   
618-232 5 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 7 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 8 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-232 9 HBGCILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-620 A COVLILCQXRX  224C ONVOY, LLC 520      
618-620 0 STLSMOWQ8MD  073H TELNYX LLC 520   2020-10-03   
618-620 1 COVLILCQXRX  224C ONVOY, LLC 520   2020-07-25   
618-620 2 COVLILCQXRX  224C ONVOY, LLC 520   2021-04-05   
618-620 6 COVLILCQXRX  224C ONVOY, LLC 520   2021-02-11   
618-620 8 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-620 9 COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-22   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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