If available, see below for a list of known fire department frequencies for DeSoto County in Mississippi. Or, navigate to your city or town to view your local city and/or fire department frequencies within DeSoto County, Mississippi.
| Hernando | Horn Lake | Olive Branch | Southaven | |
| Walls[c] | Hernando | Horn Lake | Olive Branch | |
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| Southaven | Walls[c] | |||