Medium security (men) · State Prison · Massachusetts DOC

MCI-Norfolk

Norfolk, Norfolk County, Massachusetts

Visiting schedules change without notice. Always call before traveling.

Call Visiting Office: (508) 660-5900 Info last verified: June 2026

The largest prison in Massachusetts, a medium-security men's facility in Norfolk, southwest of Boston.

Overview

MCI-Norfolk, on Clark Street in Norfolk, is the largest prison in Massachusetts — a medium-security facility for men, southwest of Boston near Walpole. It opened in 1927, originally as the Norfolk Prison Colony. The Massachusetts DOC does not publish per-facility population counts, but Norfolk is the largest of the state’s prisons.

What Makes MCI-Norfolk Different

  • It is the largest prison in Massachusetts, a medium-security facility for men.
  • It opened in 1927 as the Norfolk Prison Colony.
  • It is southwest of Boston in the town of Norfolk, near Walpole.
  • Visiting is scheduled by phone with the facility, which sets its own days and hours.

Visiting

The statewide MA DOC rules above — the approved visitor list, the dress code, ID, and item limits — apply at MCI-Norfolk. The facility’s own arrangements:

The full approval process is in Visiting in Massachusetts.

Getting There and Parking

The prison is on Clark Street in Norfolk, southwest of Boston.

Distances are approximate, based on map routing. Visitor parking is on site.

Nearby Services

The Norfolk and Walpole areas have gas, food, and lodging. The nearest 24-hour emergency room is Sturdy Memorial Hospital in Attleboro, about 13 miles away.

Mail

Incoming personal mail goes to the prison — Massachusetts does not use an off-site mail vendor. Address it with the person’s full name and commitment number and the facility’s mailing address (above); all incoming mail is opened and inspected. Legal mail is opened only in the person’s presence. Full rules are in Mail & Packages.

Learn More

For detailed information about visiting and communicating with someone in a Massachusetts state prison:

Sources

This page is compiled from the following publicly available sources. Policies change without notice — confirm current details with the facility before relying on them.