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This site is for informational purposes only and does not constitute legal advice. It is an independent website — not a prison, not a corrections department, and not a government agency — and it cannot contact a facility on anyone's behalf. Information is compiled from publicly available sources and may not reflect current policies. Always verify details directly with the facility before visiting.
Massachusetts's only maximum-security prison, in Lancaster (Shirley mailing address) — and the statewide reception and diagnostic center where newly committed men are received and assessed before transfer.
Overview
The Souza-Baranowski Correctional Center, on Harvard Road in Lancaster, is Massachusetts’s only maximum-security prison and the statewide reception and diagnostic center for men — the point where newly committed men are received, assessed, and then assigned and transferred to a permanent prison (a role consolidated here after the closures of MCI-Cedar Junction and MCI-Concord). It opened in 1998. The prison is physically in Lancaster, but its mailing address uses a Shirley P.O. box, so both place names appear in records. Because of its security level and reception role, visiting and movement can be more controlled than at lower-security prisons.
What Makes Souza-Baranowski Different
It is the men’s reception and diagnostic center, so a newly committed man usually begins here before transferring to a permanent prison.
It is the state’s only maximum-security prison, so visiting, movement, and property are more restricted, and some housing has non-contact visits.
It is in Lancaster but uses a Shirley mailing address — confirm the correct address when sending mail.
Visiting is limited during the reception period, so confirm the person’s status and location before traveling.
Visiting
The statewide MA DOC rules above — the approved visitor list, the dress code, ID, and item limits — apply at Souza-Baranowski. The facility’s own arrangements:
The prison is on Harvard Road in Lancaster, 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.
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:
This page is compiled from the following publicly available sources. Policies change
without notice — confirm current details with the facility before relying on them.