Posey County Jail / Confinement Center
Posey County Jail / Confinement Center
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Posey County Jail
1201 O'Donnell Road
Mt. Vernon, IN 47620
Posey County Jail
1201 O'Donnell Road
Mt. Vernon, IN 47620
Physical Address
1201 O'Donnell Road, Mt. Vernon, IN 47620
Phone
Governing Agency
Posey 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 identifying number when known. Include the sender's complete first and last name and return address.
Source: Official sourceLast verified: September 27, 2026
Confirm current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Confirm current publisher/vendor, binding and package rules before ordering books, magazines, newspapers or parcels.
Source: Official sourceLast verified: September 27, 2026
Do not place cash in ordinary correspondence unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Posey County Jail / Confinement Center before mailing.
Use:
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Posey County Jail
1201 O'Donnell Road
Mt. Vernon, IN 47620
Include the sender's complete first and last name and return address.
Use:
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Posey County Jail
1201 O'Donnell Road
Mt. Vernon, IN 47620
Include the sender's complete first and last name and return address.
About Posey County Jail / Confinement Center
Posey County's current jail/confinement center is at 1201 O'Donnell Road in Mt. Vernon and was completed in 2018.