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.

Thomas (Bureau), IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-322 A DKLBILXAXCX  495J STRATUS NETWORKS 364      
779-322 1 DKLBILXAXCX  495J STRATUS NETWORKS 364      
779-322 2 DIXNILXA4MD  224C ONVOY, LLC 364      
779-322 3 DKLBILXAXEX  624H ONVOY SPECTRUM, LLC 364      
815-542 A THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 0 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 1 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 2 DIXNILXA4MD  224C ONVOY, LLC 364      
815-542 3 DIXNILXA4MD  224C ONVOY, LLC 364      
815-542 4 DIXNILXA3MD  073H TELNYX LLC 364      
815-542 5 DIXNILXAEMD  508J CENTURYLINK COMMUNICATIONS, LLC 364      
815-542 6 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 7 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 8 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      
815-542 9 THMSILXARS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.