Minnesota is home to four federal prisons, all run by the Federal Bureau of Prisons: FCI Sandstone, FMC Rochester, FCI Waseca, and FPC Duluth. Each serves a different population and security level, and the rules for visiting, calling, and sending money are the same across all of them because they come from the BOP, not the state. If you are trying to help someone inside one of these facilities, the details below are the ones that actually matter.
The Four Facilities at a Glance
FCI Sandstone
FCI Sandstone sits in Pine County and holds male inmates at low security.1Federal Bureau of Prisons. FCI Sandstone The perimeter is double-fenced and housing is dormitory-style rather than individual cells. Sandstone runs a wider slate of vocational training than many low-security prisons, including automotive repair, building trades, culinary arts, and welding, and those programs count toward First Step Act earned time credits.2Federal Bureau of Prisons. First Step Act Approved Programs Guide Federal law also requires every sentenced inmate who is medically able to hold a work assignment.3Office of the Law Revision Counsel. 18 USC Chapter 307 – Employment
FMC Rochester
FMC Rochester, in Olmsted County, is not a conventional prison.4Federal Bureau of Prisons. FMC Rochester It is an administrative-security medical center, which means it holds male inmates at every security level who have been referred from other federal institutions nationwide for specialized medical, mental health, or dental care. Complex and long-term cases often end up here. The medical mission is grounded in 18 U.S.C. § 4005, which directs the Public Health Service to furnish medical and psychiatric services to federal correctional institutions at the Attorney General’s request.5Office of the Law Revision Counsel. 18 USC 4005 – Medical Relief; Expenses Daily life revolves around clinical appointments and treatment rather than work assignments.
FCI Waseca
FCI Waseca is one of the few federal facilities dedicated entirely to female inmates, operating at low security in Waseca County.6Federal Bureau of Prisons. FCI Waseca It offers the Residential Drug Abuse Program, an intensive treatment track that can shave up to twelve months off the sentence of an inmate convicted of a nonviolent offense who completes it.7Federal Bureau of Prisons. Program Statement P5331.02 – Early Release Procedures Under 18 USC 3621(e) The statute limits that reduction to nonviolent convictions.8Office of the Law Revision Counsel. 18 USC 3621 – Imprisonment of a Convicted Person Waseca also runs the Mothers and Infants Nurturing Together program, which places eligible pregnant inmates in a community residential setting for up to twelve months. Only minimum-security women who are pregnant at the time of sentencing qualify.
FPC Duluth
FPC Duluth is a minimum-security prison camp for male inmates, with a current population of about 193, located on the grounds of the former Duluth Air Force Base.9Federal Bureau of Prisons. FPC Duluth As a camp it has no perimeter fencing, and inmates placed there have been assessed as low risk for violence or escape. Life is work-oriented: facility maintenance, food service, groundskeeping, and off-site details through interagency agreements. Pay for institutional work ranges from $0.12 to $0.40 per hour, and those wages fund commissary purchases and phone calls.10Federal Bureau of Prisons. Work Programs
Finding Out Where Someone Is Held
The BOP’s online Inmate Locator is the fastest way to confirm which facility holds a specific person. It covers all federal inmates from 1982 to the present.11Federal Bureau of Prisons. Inmate Locator Search by BOP register number if you have it (the format is 12345-678 and it appears on all official paperwork), or by name with filters for race, age, and sex. If the person has recently been transferred, the locator may show an “in transit” status rather than a specific institution for a time.
One boundary worth stating: the Inmate Locator only shows people in federal custody. Someone held under a Minnesota state conviction will not appear there, no matter how certain you are that they’re in prison.
Getting Approved to Visit
You cannot just show up at any of these facilities. Every visitor has to be pre-approved before any in-person contact is allowed.12Federal Bureau of Prisons. How to Visit a Federal Inmate
The process starts with the inmate, not with you. When someone arrives at a new institution, they receive a Visitor Information Form (BP-A0629). The inmate fills out their portion and mails a copy to each person they want on the list. You then complete the rest, including your relationship to the inmate, your criminal history, and your Social Security number if you have one, and you authorize a background check.13Federal Bureau of Prisons. Visitor Information – BP-A0629 Mail the completed form back to the facility, not to the inmate. Staff run the background investigation and notify the inmate of the result. Plan on several weeks.
Visit Day
Bring a valid photo ID, such as a driver’s license or passport. Staff will verify your identity before admitting you.14eCFR. 28 CFR 540.51 – Procedures You should expect to walk through a metal detector and may be subject to a pat-down search; any items you bring in can be searched. Dress codes vary by institution but generally prohibit revealing clothing, camouflage, and anything resembling inmate uniforms in color.
Inside the visiting room, physical contact is typically limited to a brief embrace at the start and end of the visit. Staff supervise the room and watch for contraband. A rule violation can end the visit immediately and lead to suspended visiting privileges, potentially for a long stretch.15Government Publishing Office. 28 CFR 540 – Contact With Public
Phones and Electronic Messaging
Federal inmates use phone and messaging systems the BOP controls, with the inmate’s commissary account paying the costs.
As of April 2026, the FCC caps audio call rates from prisons at $0.11 per minute (a $0.09 base rate plus a $0.02 additive), whether the call is local, long-distance, or domestic international.16Federal Communications Commission. Incarcerated People’s Communications Services International calls to foreign destinations may carry an additional charge to cover termination costs, and providers cannot add fees for automated payments or third-party financial transactions.
There is a meaningful incentive baked in. Inmates who participate in First Step Act programming, or who are on the waitlist for it, get 300 free phone minutes each month.17Federal Bureau of Prisons. FBOP Updates to Phone Call Policies and Time Credit System Those who opt out pay for every minute. Worth raising with anyone inside who is on the fence about signing up.
Email runs through the BOP’s TRULINCS system, which is not regular internet email. Inmates buy TRU-Units at $0.05 each, and the system charges by the minute for composing, reading, and browsing. Printing an email costs three TRU-Units ($0.15) per page. People on the outside are not charged to send messages to an inmate, but you do need to set up an account and be added to the inmate’s approved contact list first.
Sending Money
Money for an inmate’s commissary account goes to the BOP’s centralized lockbox in Des Moines, Iowa, not to the Minnesota facility.18Federal Bureau of Prisons. Sending Funds Using the United States Postal Service Acceptable forms of payment are money orders, government checks, certified or cashier’s checks, and bank drafts. Cash and personal checks are rejected.
Write the inmate’s full committed name and eight-digit register number legibly on both the payment and the outside of the envelope, and include your own name and return address so the funds can be returned if they cannot be posted. Do not enclose letters, photos, or anything else. Non-financial items in a lockbox envelope are discarded.
Inmates can spend up to $360 per month on commissary, with an additional $50 allowed during the November and December holiday period.19Federal Bureau of Prisons. Trust Fund/Deposit Fund Manual A handful of categories, including stamps and over-the-counter medications, fall outside that limit.
Sending Mail
Regular correspondence goes directly to the institution where the person is held, not to the Des Moines lockbox. Address the envelope with the inmate’s full name, register number, and the facility’s mailing address.20Federal Bureau of Prisons. Program Statement 5265.14 – Correspondence Any funds enclosed in regular mail will be rejected.21Federal Bureau of Prisons. Program Statement 5800.16 – Mail Management Manual Each institution has its own rules about permitted enclosures and packages, so check the facility’s guidelines before sending anything beyond a letter.
What Visitors Must Never Bring
Trying to bring a prohibited item into a federal prison is itself a federal crime. Under 18 U.S.C. § 1791, providing or attempting to provide contraband to a federal inmate carries penalties that scale with the item:22Office of the Law Revision Counsel. 18 USC 1791 – Providing or Possessing Contraband in Prison
- Up to 20 years for narcotics, methamphetamine, LSD, or PCP.
- Up to 10 years for firearms, destructive devices, or most Schedule I or II controlled substances other than marijuana.
- Up to 5 years for marijuana, Schedule III substances, ammunition, weapons other than firearms, or items designed to facilitate escape.
- Up to 1 year for other controlled substances, alcohol, currency, or a cell phone.
- Up to 6 months for any other object that threatens security, order, or the safety of any individual.
If the item is a controlled substance, the sentence must run consecutively with any other drug-related sentence, meaning the time stacks instead of overlapping. Even handing cash to an inmate during a visit can produce a federal conviction with up to a year of imprisonment.
When Someone Comes Home
Federal sentences don’t end abruptly at the prison gate. Federal law directs the BOP to use transitional placements in the final stretch of a sentence.23Office of the Law Revision Counsel. 18 USC 3624 – Release of a Prisoner Two options drive most of what families see.
The first is a residential reentry center, commonly called a halfway house. Roughly 17 to 19 months before release, the unit team begins deciding whether to recommend RRC placement and for how long, up to a possible maximum of twelve months.24Federal Bureau of Prisons. Residential Reentry Management Centers Actual placements are often shorter, with beds prioritized for people who need intensive services like substance abuse treatment or transitional housing.
The second is home confinement. The statute allows home confinement for the shorter of 10 percent of the total sentence or six months.23Office of the Law Revision Counsel. 18 USC 3624 – Release of a Prisoner First Step Act earned time credits can shift the date earlier for eligible inmates. The BOP computes a Conditional Placement Date based on good-conduct time, earned credits, and statutory eligibility. For a specific timeline, the unit team at the facility is the right place to ask.