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.

Medora, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-370 A BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520      
618-370 0   984E BANDWIDTH.COM CLEC, LLC - IL 520   2018-08-31   
618-370 1   495J STRATUS NETWORKS 520   2020-11-22   
618-370 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2005-03-10   
618-370 6   490J DISH WIRELESS, LLC 520   2022-12-01   
618-370 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-22   
618-370 8   073H TELNYX LLC 520   2020-07-16   
618-370 9   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-729 A MEDRILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 1   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 2   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 3   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 4   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-729 5   224C ONVOY, LLC 520   2019-07-29   
618-729 6   224C ONVOY, LLC 520   2019-07-29   
618-729 7   224C ONVOY, LLC 520   2018-07-29   
618-729 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.