The Federal Bureau of Prisons classifies prisons into seven categories:
United States PenitentiariesFederal correctional institutionsPrivate correctional institutionsFederal prison campsAdministrative facilitiesFederal correctional complexesFormer Federal facilities
This list does not include military prisons, halfway houses, or prisons, jails, and other facilities operated by state or local governments that contract with the Federal Bureau of Prisons. It also does not include facilities operated by Immigration and Customs Enforcement (ICE).