If available, see below for a list of known fire department frequencies for Clinton County in Illinois. Or, navigate to your city or town to view your local city and/or fire department frequencies within Clinton County, Illinois.
| Albers | Aviston | Bartelso | Beckemeyer | |
| Breese | Carlyle | Centralia | Damiansville | |
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| Germantown | Hoffman | Huey | New Baden | |
| Trenton | Wamac | |||