If available, see below for a list of known fire department frequencies for Winnebago County in Illinois. Or, navigate to your city or town to view your local city and/or fire department frequencies within Winnebago County, Illinois.
| Cherry Valley | Durand | Machesney Park | New Milford | |
| Pecatonica | Rockford | Rockton | Roscoe | |
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| South Beloit | Winnebago | |||