If available, see below for a list of known police frequencies for Hannibal, New York. Or, navigate to another city or town within Oswego County, to view the local police frequencies.
| Albion | Amboy | Boylston | Constantia | |
| Fulton | Granby | Hannibal | Hastings | |
| Mexico | Minetto | New Haven | Orwell | |
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| Oswego | Palermo | Parish | Redfield | |
| Richland | Sandy Creek | Schroeppel | Scriba | |
| Volney | West Monroe | Williamstown | ||
Detect police activity and stay ticket-free in Hannibal, New York with these police radar detectors.