Grant County Detention Center
Grant County Detention Center
County Jail / Adult Detention FacilityMailing Address
[Inmate Name] — [Inmate ID]
Grant County Jail
P.O. Box 76550
Highland Heights, KY 41076
Grant County Jail
P.O. Box 76550
Highland Heights, KY 41076
Physical Address
212 Barnes Road, Williamstown, KY 41097
Governing Agency
Grant County / Jailer
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Standard non-legal friends-and-family mail must be sent to Grant County Jail, inmate name and ID, P.O. Box 76550, Highland Heights, KY 41076. Legal mail goes to 212 Barnes Road, Williamstown, KY 41097.
Source: Official sourceLast verified: September 27, 2026
Confirm the facility/vendor's current photograph rules before sending photos.
Source: Official sourceLast verified: September 27, 2026
Books and periodicals generally follow separate direct-publisher rules; verify before ordering.
Source: Official sourceLast verified: September 27, 2026
Do not send cash through ordinary off-site mail. Use the jail's approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor approval requirements and current visitation or video-visitation rules before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Standard non-legal friends-and-family mail must be sent to Grant County Jail, inmate name and ID, P.O. Box 76550, Highland Heights, KY 41076. Legal mail goes to 212 Barnes Road, Williamstown, KY 41097.
About Grant County Detention Center
Grant County Detention Center is a Kentucky correctional or administrative record reviewed for current status and mail routing on 2026-09-27.