Montgomery County Jail
Montgomery County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Montgomery County Jail
110 W. Coolbaugh Street, Red Oak, IA 51566
Montgomery County Jail
110 W. Coolbaugh Street, Red Oak, IA 51566
Physical Address
110 W. Coolbaugh Street, Red Oak, IA 51566
Phone
Governing Agency
Montgomery County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the inmate's full booked/legal name and send to Montgomery County Jail, 110 W. Coolbaugh Street, Red Oak, IA 51566. Include the sender's complete name and return address.
Last verified: September 27, 2026
Confirm the jail's current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Last verified: September 27, 2026
Confirm the jail's current publisher/vendor, binding and package rules before ordering books, magazines, newspapers or parcels.
Last verified: September 27, 2026
Do not place cash in ordinary correspondence unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Last verified: September 27, 2026
Verify current custody, visitor registration or approval requirements and the current visitation or video-visitation schedule before traveling.
Last verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Montgomery County Jail before mailing. Use the inmate's full booked/legal name and inmate or booking number when known. Mail to: Montgomery County Jail, 110 W. Coolbaugh Street, Red Oak, IA 51566. Include a complete sender return address.
About Montgomery County Jail
Montgomery County Jail is the current county jail / adult detention facility serving Montgomery County, Iowa.