Masac At Plymouth is a state prison in Plymouth, Massachusetts, run by the Massachusetts Department of Correction. The state classifies it as minimum security. Federal facility data from 2020 put its capacity at about 275 beds.
Masac At Plymouth Address and Phone
- Facility type
- State prison
- Address
- 1 Bump Pond Rd, Plymouth, MA 02360Open in Google Maps
- Main phone
- (508) 291-2441
- Operated by
- Massachusetts Department of Correction
- County
- Plymouth County
How to Find an Inmate at Masac At Plymouth
People serving state sentences are listed in the state's offender search, not on county jail rosters. Search by last and first name, or by the state inmate number if you have it; the result shows where the person is held now, which can change after a transfer.
Visiting, Mail and Phone Calls
Visiting days, visitor approval, dress rules and the mailing format for letters are set by the Massachusetts Department of Correction and can change at short notice. Read the official facility page and call ahead before you travel.
Jails and Police Near Masac At Plymouth
Anyone arrested near Plymouth is booked into the county jail first; a state facility only receives people after sentencing, commitment or transfer.
Other State Prisons in Massachusetts
Open status checked against the official mass.gov facility listing in November 2026. Address and phone come from that listing or, where it shows none, from the federal HIFLD prison dataset. This page lists no inmates.