NEXUS Treatment Center

NEXUS Treatment Center Inmate Search and Prison Information

Updated on: November 8, 2020

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Location PO Box 1200, Lewistown, MT, 59457
Official Website

NEXUS Treatment Center inmate locator: Inmate List, Type, Booking Date, Bookings, Type, Fine/Crt Costs, Release Date, Received Date, Case Description, Appeals Court, Bond, Arrests, Mugshots, Who's in jail.

This is a male, medium-security prison that can house around 80 inmates and any point in time. There are three dormitory style housing units at the NEXUS Treatment Center. Several programs are offered at the NEXUS Treatment Center to help inmate’s learn skills. They work in the prison’s kitchen, the laundry house, and perform janitorial duties. Some even participate in vocational training offered through Montana Community College.

NEXUS Treatment Center — General Information

Facility Name NEXUS Treatment Center
Facility Type State Prison
Address PO Box 1200, Lewistown, MT, 59457
Capacity 80
Facility Type Adult
City Lewistown
Postal Code 59457
State Montana
County Fergus County
Official Website

Sending a Mail/Care Package

While mail will be read and checked over by NEXUS Treatment Center personnel, inmates can receive and send mail.

Make sure you include the inmate’s prison ID number, otherwise known as the OPUS number. You should send your mail like this:

Offender Name and OPUS Number
Prison Name
Prison Street Address or Post Office Box number
City, State and zip code of the prison location

Sending Money

There are a few ways to send money to an inmate. You can send money electronically, by telephone, or even by walking in to the NEXUS Treatment Center. You can also send a money order.

Send the money order to:

NEXUS Treatment Center
PO Box 1200, Lewistown, MT, 59457

Phone calls

While inmates at the NEXUS Treatment Center cannot receive calls, you can set up an account with AdvancePay to prepay for the inmate to make phone calls to you. You will place money on your phone number, which will then pay for the phone call from the inmate. You can find instructions here.

You can set up funds a few different ways. You can go online here and create prepaid telephone account, add more funds to an existing account, or check an account balance.

If you need assistance, you can always call 406-535-6660. You can add money via the phone or just ask for general assistance if you need it.


For inmates in the regular population, you do not need to plan a visit ahead of time.

You can get there a half hour early to begin the registration process.

For other inmates, call 406-535-6660 to arrange for a visit with an inmate.

Visiting Hours

Saturday: 9:00 AM to 3:00 PM
Sunday: 9:00 AM to 3:00 PM


Refer the map below to find the driving directions.

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