Knox County Detention Center
Knox County Detention Center
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Name] — [Inmate ID]
Knox County Detention Center
P.O. Box 76550, Highland Heights, KY 41076
Knox County Detention Center
P.O. Box 76550, Highland Heights, KY 41076
Physical Address
103 Jail Street, Barbourville, KY 40906
Governing Agency
Knox County County / Jailer
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the inmate's full name and ID and send standard personal mail to P.O. Box 76550, Highland Heights, KY 41076. Include a complete sender return address. Legal/direct-facility correspondence may use a separate local address.
Last verified: September 27, 2026
Confirm the current centralized-mail photo rules before mailing.
Last verified: September 27, 2026
Use current direct-publisher/vendor procedures for books and periodicals.
Last verified: September 27, 2026
Do not send cash through standard off-site personal mail. Use the jail's approved inmate-account deposit method.
Last verified: September 27, 2026
Verify current custody, visitor approval requirements and current visitation or video-visitation rules before traveling.
Last verified: September 27, 2026
How to Address Your Letter
Use the inmate's full name and ID and send standard personal mail to P.O. Box 76550, Highland Heights, KY 41076. Include a complete sender return address. Legal/direct-facility correspondence may use a separate local address.
About Knox County Detention Center
Knox County Detention Center is a Kentucky correctional record reviewed for current status and mail routing on 2026-09-27.