If available, see below for a list of known fire department frequencies for Orange City, Iowa. Or, navigate to another city or town within Sioux County, to view the local fire department frequencies.
| Alton | Boyden | Chatsworth | Granville | |
| Hawarden | Hospers | Hull | Ireton | |
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| Matlock | Maurice | Orange City | Rock Valley | |
| Sioux Center | ||||