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Montana state prison directory

Find Jail411 records classified as state prisons in Montana. Directory inventory is kept separate from an agency's official count of current institutions.

All states and facilities Información sobre centros; no son registros de custodia en vivo.
Montana facility directory

Find Jail411 records classified as state prisons in Montana. Directory inventory is kept separate from an agency's official count of current institutions.

22Jail411 directory records

2official state_prisons

Who handles this? State correctional agencies operate their own institutions and offender locators. County jails and federal facilities use different systems.

Choose the next task

Start with the system, then confirm the facility.

A directory record identifies a place. It does not confirm where a particular person is held.

Canonical facility records

Facility records in Montana.

Showing 22 of 22 records. Every result opens the facility's one canonical page.

Open the full state directory
What these records mean

Directory inventory is not an official operating count.

Jail411 groups canonical facility records using reviewed public classes. Classification and status evidence can be incomplete or change over time.

Current and historical stay separate. Closed records remain discoverable without appearing as current operations. A missing closure date is not proof that a facility is open.

ICE stays separate. Immigration detention uses its own directory and locator system. Internal unresolved records never become a public “Other” category.

Readiness: LIMITED. This page reports Jail411's normalized inventory and does not claim a complete official jurisdiction total.

Read the source and correction methodology → (retired reference)

Información clara.
Límites claros.

Jail411 is an independent information resource for families and friends. We are not a government agency, jail operator, law firm or live custody-records service.

Can Jail411 tell me if someone is in custody right now?

No. Jail411 does not hold live custody records. Use the official locator for the county, state, federal or ICE system that has the person; start here if you do not know which.

Does posting bond mean the person comes home?

Not always. A probation or parole hold, another county's warrant or an immigration detainer can keep someone in custody after bond is posted. Ask the jail what holds are on the booking before you pay.

What should I confirm before visiting?

The person's current facility, the visiting schedule, approval requirements, accepted identification and arrival instructions. Check the facility page and its official sources before you travel.

What if I find something that needs correcting?

Send us the page and the detail that needs attention. Include the official source when you have one. Do not send private booking documents or other sensitive personal information.

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Información original de Jail411 conservada el 2026-09-25.Las fuentes oficiales aparecen junto a la información correspondiente.