Isabella County Jail
Isabella County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal Name] — [Inmate ID]
Isabella County Jail, MI
P.O. Box 76550
Highland Heights, KY 41076
Isabella County Jail, MI
P.O. Box 76550
Highland Heights, KY 41076
Physical Address
5270 E. Remus Road, Mt. Pleasant, MI 48858
Phone
Governing Agency
Isabella County Jail
Inmate ID
Inmate ID — Required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Effective April 1, 2025, Isabella County requires standard non-legal friends-and-family mail to use its Highland Heights, Kentucky processing address.
The inmate's full name and inmate ID and the sender return address are required. Standard mail must be scanner-compatible and letter-size. Legal mail and money orders use the Isabella County Criminal Justice Center physical address at 5270 E. Remus Road.
The inmate's full name and inmate ID and the sender return address are required. Standard mail must be scanner-compatible and letter-size. Legal mail and money orders use the Isabella County Criminal Justice Center physical address at 5270 E. Remus Road.
Source: Official sourceLast verified: September 27, 2026
Photographs, when permitted, must follow the facility's current limits and the required personal-mail processing route.
Source: Official sourceLast verified: September 27, 2026
Do not send books, magazines or packages to the personal-mail scanning address unless specifically authorized. Confirm current publisher/vendor rules.
Source: Official sourceLast verified: September 27, 2026
Do not put cash, checks or money orders in scanned personal mail. Use the facility's current approved deposit procedure.
Source: Official sourceLast verified: September 27, 2026
Verify current custody and the facility's current visitation registration, identification and schedule requirements.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the inmate is currently housed at Isabella County Jail before mailing.
Personal mail:
[Inmate Full Legal Name] — [Inmate ID]
Isabella County Jail, MI
P.O. Box 76550
Highland Heights, KY 41076
Use the inmate's full legal name and required ID/booking number. Include the sender's complete return name and address.
Do not send legal mail, publications or inmate funds to the scanning address unless the facility specifically authorizes it.
Personal mail:
[Inmate Full Legal Name] — [Inmate ID]
Isabella County Jail, MI
P.O. Box 76550
Highland Heights, KY 41076
Use the inmate's full legal name and required ID/booking number. Include the sender's complete return name and address.
Do not send legal mail, publications or inmate funds to the scanning address unless the facility specifically authorizes it.
About Isabella County Jail
Isabella County Jail / Criminal Justice Center is the current county detention facility at 5270 E. Remus Road in Mt. Pleasant.