The Federal Detention Center, Philadelphia is a United States Federal prison in Center City, Philadelphia, Pennsylvania, which mostly holds pretrial male and female inmates as well as inmates serving brief sentences or those that are being transported to another prison within the federal prison system. It is operated by the Federal Bureau of Prisons, a division of the U.S. Department of Justice. The jail, across from the William J. Green Jr. Federal Building, is on a 1-acre site the southwest corner of Arch Street and 7th Street, across from the African American Museum in Philadelphia and in the Independence Mall area.