Montana State Prison Inmate Search and Prison Information
Montana State Prison inmate lookup: Release Date, Description, Bookings, Court Record, Mugshots, Arrests, Status, Bond, Personal Description, Fine/Crt Costs, Booking Date, Booking Number, Who's in jail, Inmate Roster.
Montana State Prison is a privately managed prison that is operated by the GEO Group. It houses male inmates and is located in Deer Lodge, Montana. GEO Group is a Florida-based company that specializes in private corrections, detention, and mental health treatment. It is Montana’s largest private prison.
The Montana State Prison houses around 1495 male inmates that are being held at either a medium or maximum security level. Montana State Prison opened in 1998.

- Facility Name
- Montana State Prison
- Facility Type
- State Prison
- Authority
- Montana Department of Corrections
- Address
- 400 Conley Lake Road, Deer Lodge, MT, 59722
- Phone
- 406-846-1320
- Capacity
- 1495
- Offender Gender
- Male Offenders
- City
- Deer Lodge
- Postal Code
- 59722
- State
- Montana
- Country
- Powell County
- Official Website
- Website

Visitation Hours
- Sunday 2:15 pm to 4:50 pm
- Monday Closed
- Tuesday Closed
- Wednesday Closed
- Thursday Closed
- Friday Closed
- Saturday 2:15 pm to 4:50 pm
- Holiday Closed
Inmate Search
If you are searching for an inmate at Montana State Prison, you can use its offender search. It can be found here
Its search form even allows users to search for aliases or similar sounding names. Of course, one can search for offenders based on their first name, last name, date of birth, and Montana DOC number, as well.
Sending a Mail
Montana State Prison inmates can send and receive an unlimited amount of mail. Inmates are not allowed to send mail to each other, however. If you wish to send mail or a package to an inmate, you will need to know their name, ID number, and which facility they are located.
All mail is opened and inspected for contraband at Montana State Prison. Legal mail may not be read, and can only be opened in the presence of an inmate.
You can send up to three books at a time to an inmate, but they must be new paperback books. The books cannot contain nudity or describe the manufacture of alcohol, drugs, or weapons.
You can send books, magazines, and/or newspapers.
Montana Inmate Search
Sending Money
Offenders at Montana State Prison have access to a trust fund, and individuals can send money to at Montana State Prison inmates in various ways. Here are some of the methods in which Montana inmates can receive money:
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Visit any Moneygram location, and there will be a fee involved.
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Deposit money through JPAY and/or Access Secure Deposits. There will be a fee involved.
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Deposit funds through JPAY by calling 1-800-574-5729 or through Access Secure Deposits by calling 1-866-345-1884. You will be charged a fee and require a debit or credit card.
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Send up to $300 in a Postal Money Order, including the inmate’s name and ID number in the memo field. Print and fill out an Montana inmate money order deposit slip, and send the money order to the following address:
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Secure Deposits - Montana State Prison
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400 Conley Lake Road, Deer Lodge, MT, 59722
Phone Calls
You can make outgoing calls or prepaid calls, and this requires having a GTL Account. You can also use GTL if the cell phone is the only way in which you can communicate with an inmate. Inmates at at Montana State Prison can never receive an incoming call.
Every 120 days, an inmate can make changes to their telephone list.
You will be charged a fee per call, plus a rate per minute, and a GTL account can be set up either through the phone or online.
Visiting Rules
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General population at Montana State Prison have visiting hours on Saturdays, Sundays, and state holidays. The visiting hours are from 9 AM to 4 PM.
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Protective custody inmates have visits on Mondays and the days after state holidays. Their visiting hours are 10 AM to 4 PM on these days.
Directions
Refer the map below to find the driving directions.