If available, see below for a list of known police frequencies for Naplate, Illinois. Or, navigate to another city or town within LaSalle County, to view the local police frequencies.
| Cedar Point | Dana | Earlville | Grand Ridge | |
| Kangley | LaSalle | Leland | Leonore | |
| Lostant | Marseilles | Mendota | Naplate | |
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| North Utica | Oglesby | Ottawa | Peru | |
| Ransom | Rutland | Sheridan | Streator | |
| Tonica | Troy Grove | Wenona | ||
Detect police activity and stay ticket-free in Naplate, Illinois with these police radar detectors.