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Last Updated: June 14, 2021, 9:05 am
US > Illinois

State of Illinois Radio Reference

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Go to a County

County pages contain radio communications information for all agencies and services within a County

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Illinois State Agencies

Frequencies for Illinois public safety agencies

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Go to Metro Area

Metro area pages are a collection of links to county and agency information for a defined Metro area.

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Illinois Areawide Frequencies

Misc areawide frequencies in Illinois.

Please also see our United States nationwide frequencies page here.

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Areawide Trunking Systems in Illinois

STARCOM21 Statewide Illinois Project 25 Phase II
Comlink Wireless (NXDN-61) NXDN NEXEDGE 4800
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