NEXUS Treatment Center Inmate Search

December 2023

NEXUS Treatment Center is a high security prison which is managed and operated by state of Montana. It falls under the jurisdiction of Montana Department of Corrections. Offenders from Police/City and county jails are transferred to NEXUS Treatment Center for serving their sentence. It houses adult inmates serving long sentence usually more than a year. Most of the inmates are convicted for serious offenses like murder, assault etc. NEXUS Treatment Center provides number of amenities to the inmates like TV viewing area, 3 time meals, internet and other correctional facilities.


PO Box 1200
Lewistown, Montana 59457


Fergus County

Phone Number

Contact Email

[email protected]

Facility Type

State Prison

Inmate Capacity



Fax Number


Frequently Asked Questions (FAQ)

Q. How do I find out if someone is currently detained at NEXUS Treatment Center?

Q. What if you are not able to find the inmate in NEXUS Treatment Center?

Q. What are the visitation rules of NEXUS Treatment Center?

NEXUS Treatment Center Visitation Hours


9:00 AM to 3:00 PM


9:00 AM to 3:00 PM

Map & Directions for NEXUS Treatment Center