If available, see below for a list of known police frequencies for Royalton, Illinois. Or, navigate to another city or town within Franklin County, to view the local police frequencies.
| Benton | Buckner | Christopher | Ewing | |
| Hanaford | Macedonia | North City | Orient | |
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| Royalton | Sesser | Thompsonville | Valier | |
| West City | West Frankfort | Zeigler | ||
Detect police activity and stay ticket-free in Royalton, Illinois with these police radar detectors.