United States Penitentiary Inmate Search | Roster | Lookup

United States Penitentiary (USP) - Marion Medium is classified as a moderate security level prison of federal bureau (BOP) and located in Marion, Grant County, IL. It accommodates up to 1178 adult inmates (over 18 years old) who have been found guilty and imprisoned as Illinois state law offenders. Most of these convicts are serving their time for felonies which are serious in character, for the term of over 1 year. This facility is managed by Illinois Department of Corrections (IDOC).

Find a detailed information on how to carry out an inmate search, send a parcel or money to your loved one, get a phone number of United States Penitentiary (USP) - Marion Medium to call or know exact visitation hours, rules or facility address to visit.

Inmate Lookup in United States Penitentiary (USP) - Marion Medium

To look for an inmate which is currently accommodated at United States Penitentiary (USP) - Marion Medium - make a search directly through their official site, or call them @ 618-964-1441 to get the details you wish.

Note: Person may be imprisoned into a county jail immediately after they have been arrested, or later transferred from a local center. You need to know these details - Inmate Identification Number, Name/Surname and Birth Date before conducting any search.

If you couldn’t get what you looked for, then go for Illinois (IL) statewide inmate search on this page.

How to Send Mail Or Parcel For The Inmate?

You can send the mail or parcel with the following details:

  • Inmate First Name/Last Name, Inmate ID 
  • 4500 Prison Road, Marion, IL, 62959

Be sure that mail or parcel you try to send is in facility’s approved items list. To be sure contact their administration office at 618-964-1441.

Please Note: For parcels, pre-approval may be required. Contact United States Penitentiary (USP) - Marion Medium staff for detailed information.

Send Money

With an inmate first, last name and identification number you can send via money order, cashier or check directly into their commissary account. (Don’t forget to mention inmate full name and ID on the back). Alternatively, if you visit the facility in person you can deposit money directly at facility office.

Phone Calls

Calls are available for inmates between 8:00 AM to 8:30 PM and only to an approved members list. The person who is receiving the call has to cover all costs, it can last up to 35 minutes (10 minutes during busy hours).

Visitation Rules

Before visiting an inmate in United States Penitentiary (USP) - Marion Medium get on approved visitors list.

Note: It’s always recommended to double check with the facility office before coming.


  • You Must Present a Valid ID
  • Cannot Be a Past Criminal
  • Visitors Under 16 Years Old Must Be Attended By an Legal Adult.