If available, see below for a list of known police frequencies for Harper, Texas. Or, navigate to another city or town within Gillespie County, to view the local police frequencies.
| Blumenthal | Cave Creek | Cherry Spring | Crabapple | |
| Doss | Fredericksburg | Grapetown | Harper | |
|
| ||||
| Luckenbach | Rheingold | Stonewall | Tivydale | |
| Willow City | Wrede | |||
Detect police activity and stay ticket-free in Harper, Texas with these police radar detectors.