All the incidents have taken place since the start of August.
Four car park pay-and-display machines at beauty spots in the Derbyshire Dales have been broken during the past six weeks.
Most recently, a machine at the Parsons Field car park in Hartington was targeted sometime between Friday 6 September and Monday 9 September.
Machines in the car park at the Longshaw Estate have been broken in to overnight between Tuesday 13 August and Wednesday 14 August, and overnight between Thursday 8 August and Friday 9 August.
The machine at the car park at Curbar Gap was targeted sometime overnight between Friday 2 August and Saturday 3 August.