Grant County Jail
Grant County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Name] — [ID Number]
Grant County Jail, IN
P.O. Box 76550
Highland Heights, KY 41076
Grant County Jail, IN
P.O. Box 76550
Highland Heights, KY 41076
Physical Address
214 E. 4th Street, Marion, IN 46952
Phone
Governing Agency
Grant County Sheriff's Office
Inmate ID
Inmate ID Number — Required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use inmate full name and ID number, Grant County Jail, IN, P.O. Box 76550, Highland Heights, KY 41076.
Source: Official sourceLast verified: September 27, 2026
Confirm current Grant County scanner-compatible photo/content restrictions before mailing.
Source: Official sourceLast verified: September 27, 2026
Books must be ordered from Barnes & Noble or Books-A-Million and shipped under current Grant County rules; Amazon packages are not accepted.
Source: Official sourceLast verified: September 27, 2026
Use current Grant County approved inmate-fund methods rather than enclosing cash in scanned personal mail.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements, identification rules and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Grant County's official inmate-mail policy directs personal mail to inmate full name and ID number, Grant County Jail, IN, P.O. Box 76550, Highland Heights, KY 41076.
About Grant County Jail
Grant County Jail is at 214 E. 4th Street in Marion. Personal inmate mail is processed through Highland Heights, Kentucky.