Medium security (men) · State Prison · Massachusetts DOC

MCI-Shirley

Shirley, Middlesex County, Massachusetts

Visiting schedules change without notice. Always call before traveling.

Call Visiting Office: (978) 425-4341 Info last verified: June 2026

A medium-security men's prison in Shirley, in central Massachusetts, near the Souza-Baranowski Correctional Center.

Overview

MCI-Shirley (the Massachusetts Correctional Institution - Shirley) is a medium-security prison for men in Shirley, in central Massachusetts. It is a separate prison from the nearby Souza-Baranowski Correctional Center, which is also in Shirley — confirm which one holds the person before traveling or sending mail.

What Makes MCI-Shirley Different

  • It is a medium-security prison for men, distinct from the maximum-security Souza-Baranowski Correctional Center.
  • It is in Shirley, the same town as the Souza-Baranowski Correctional Center — the two are separate prisons, so confirm which one holds the person.
  • 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-Shirley. The facility’s own arrangements:

The full approval process is in Visiting in Massachusetts.

Getting There and Parking

The prison is on Harvard Road in Shirley, in central Massachusetts.

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

Nearby Services

The Leominster and Shirley/Ayer areas have gas, food, and lodging. The nearest 24-hour emergency room is UMass Memorial HealthAlliance-Clinton Hospital in Leominster, about 15 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.