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.

Farina, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-245 A FARNILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-245 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-245 1   593K MCC TELEPHONY LLC 520   2010-05-14   
618-245 2   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-245 3   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-245 4   145J TERRA NOVA TELECOM INC. 520   2025-05-31   
618-245 5   772H WABASH INDEPENDENT NETWORKS, INC DBA WABASH COMM 520   2007-05-19   
618-245 6   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-245 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-21   
618-245 8   495J STRATUS NETWORKS 520   2020-12-18   
618-245 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-892 A CENLILCEGMD  593K MCC TELEPHONY LLC 520      
618-892 0   073H TELNYX LLC 520   2020-07-09   
618-892 1   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2024-09-01   
618-892 2   224C ONVOY, LLC 520   2018-07-29   
618-892 3   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-892 5   224C ONVOY, LLC 520   2019-07-29   
618-892 6   224C ONVOY, LLC 520   2019-07-29   
618-892 8   224C ONVOY, LLC 520   2021-04-05   
618-892 9   984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-12   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.