Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 STLSMOWQDS2  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 STLSMOWQDS2  224C ONVOY, LLC 520      
618-620 0 STLSMOWQ8MD  073H TELNYX LLC 520   2020-10-03   
618-620 1 STLSMOWQDS2  224C ONVOY, LLC 520   2020-07-25   
618-620 2 STLSMOWQDS2  224C ONVOY, LLC 520   2021-04-05   
618-620 6 STLSMOWQDS2  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: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.