State prison
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Elkhorn Treatment Center: Inmate Search, Mail Rules & Contact Information
Boulder, Montana. We know this mailroom’s rules, print your loved one’s name and AO number on every photo, and ship it ready for delivery.
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Accepted at Elkhorn Treatment Center
✓Photos (4×6, 5×7, 8×10)
✓Greeting cards
✓Letters
✓Postcards
✓Books
✓Photobooks
✓Sudoku
✓How to draw
✓Calendars
Not accepted here
Tumblers
Mailroom rules
What this facility allows
✓Photo sizes accepted: 4x6, 5x7, 8x10.
✕Not allowed: Sexual Penetration.
✕Not allowed: Drugs.
✕Not allowed: Nudity.
✕Not allowed: Gang Signs.
✕Not allowed: Weapon.
Rules change. We check your order against this facility’s current rules before we print, and show you the rules before you upload.
Addresses
Elkhorn Treatment Center contact information
Mailing address[Inmate name], ID #[number]
Elkhorn Treatment Center
PO Box 448
Boulder, MT 59632
Elkhorn Treatment Center
PO Box 448
Boulder, MT 59632
Skip the envelope. When you send through Inmate Photos, we address, label and pack everything for this mailroom.Start sending