Blaine County Jail
Montana
Blaine County Jail
The Blaine County Sheriff's Office operates the county jail in Chinook.
- Address
- 400 Ohio Street, Chinook, MT 59523
- Phone
- (406) 357-3260
How to find an inmate
To check whether someone is held at the Blaine County Jail in Chinook, call the Blaine County Sheriff's Office at (406) 357-3260 with the person's full name and date of birth. If the person has been sentenced to state prison, search the Montana Department of Corrections offender locator.
Visitation
The Blaine County Sheriff's Office sets visitation rules for the jail in Chinook. Call ahead to confirm current visiting schedules, ID requirements, and any approval steps.
Bail and bond
Bail for people held at the Blaine County Jail is set by a judge or by a bail schedule. Call the jail to confirm the amount, accepted payment methods, and where to pay, or contact a licensed Montana bail bond agent.
Mail and money
Mail for inmates should include the inmate's full name, and it may be inspected under jail rules. Call the Blaine County Sheriff's Office to confirm the mailing address, restrictions, and options for adding money to an inmate account.
Frequently asked questions
How do I find out if someone is in the Blaine County Jail?
Call the Blaine County Sheriff's Office at (406) 357-3260 with the person's full name and date of birth. For state prisoners, use the Montana DOC offender locator.
What is the address of the Blaine County Jail?
The jail is operated by the Blaine County Sheriff's Office at 400 Ohio Street, Chinook, MT 59523.
How do I post bail in Blaine County?
Call the jail to confirm the bail amount and payment options, or use a licensed Montana bail bond agent.
Can I send money to an inmate at the Blaine County Jail?
Yes, but deposit methods can change. Call the Sheriff's Office to confirm the current process.