If available, see below for a list of known fire department frequencies for Harrison County in Texas. Or, navigate to your city or town to view your local city and/or fire department frequencies within Harrison County, Texas.
| Elysian Fields | Gill | Hallsville | Harleton | |
| Jonesville | Karnack | Latex | Longview | |
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| Marshall | Nesbitt | Scottsville | Uncertain | |
| Waskom | Woodlawn | |||