If available, see below for a list of known fire department frequencies for Linn County in Missouri. Or, navigate to your city or town to view your local city and/or fire department frequencies within Linn County, Missouri.
| Brookfield | Browning | Bucklin | Laclede | |
| Linneus | Marceline | Meadville | New Boston | |
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| Purdin | St Catharine | |||