Petroleum County Jail View

Petroleum County Jail is a medium security county jail located in city of Winnett, Petroleum County, MT. It houses adult male inmates (above 18 years of age) who are convicted for crimes which come under Montana state law. Most of the inmate’s serving time in this prison are sentenced for the period of over a year and are sentenced for crimes which are serious in nature. The prison is operated and maintained by Montana Department of Corrections (DOC).

Petroleum County Jail Contact Details

Address: 302 East Main, Petroleum, MT
City: Winnett
Zip: 59087
Phone 1: 406-429-6551
Type: County Jail

Mailing to Petroleum County Jail Inmates and Staff

Inmate Visiting Days and Hours

Day of Week Hours
Saturday 8:00am to 11:00am, 1:00pm to 4:00pm, and 7:00pm to 9:45pm.
Sunday 8:00am to 11:00am, 1:00pm to 4:00pm, and 7:00pm to 9:45pm.