Petroleum County, website
Petroleum County in Montana uses area code 406. This page is a phonebook directory listing the physical addresses and contact information of the most relevant government agencies in Petroleum County, including the Clerk’s Office, Sheriff’s Office, and the Health Department.
Sheriff’s Office
302 East Main Street
Winnett, Montana, 59087
Phone: (406) 429-6551
Fax: (406) 429-6328
County Court
P. O. Box 226
302 East Main
Winnett, MT 59087-0226
Phone: (406) 429-5311
Fax: (406) 429-6328
District Court
P. O. Box 226
302 East Main
Winnett, MT 59087-0226
Phone: (406) 429-5311
Fax: (406) 429-6328
County Clerk
P. O. Box 226
302 East Main
Winnett, MT 59087-0226
Phone: (406) 429-5311
Fax: (406) 429-6328
Treasurer
P. O. Box 226
302 East Main
Winnett, MT 59087-0226
Phone: (406) 429-5551
Fax: (406) 429-6328
Tax Assessor-Collector
P. O. Box 226
302 East Main
Winnett, MT 59087-0226
Phone: (406) 323-1513
Petroleum County Jail
201 West Main Street
Winnett, Montana, 59087
Phone: (406) 429-6551
Fax: (406) 429-6328
Emergency Management
108 Broadway Avenue
Winnett, Montana, 59087
Phone: (406) 429-5451
Fire Department
108 Broadway Avenue
Winnett, Montana, 59087
Phone: (406) 429-5451
Health Department
201 East Main Street
Winnett, MT 59087
Phone: (406) 429-5500