MCI-Cedar Junction - Closed
MCI-Cedar Junction - Closed
Closed / Former Massachusetts State PrisonMailing Address
CLOSED / INACTIVE FACILITY - DO NOT SEND MAIL. Verify the person's current Massachusetts DOC placement before sending correspondence.
Physical Address
2405 Main Street, South Walpole, MA 02071
Governing Agency
Massachusetts Department of Correction
Inmate ID
Commitment Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
MCI-Cedar Junction concluded housing operations in June 2023. Do not send inmate mail to this former facility; locate the incarcerated individual at the current Massachusetts DOC facility first.
Source: Official sourceLast verified: September 27, 2026
Do not send photographs to this closed facility.
Source: Official sourceLast verified: September 27, 2026
Do not send books or packages to this closed facility.
Source: Official sourceLast verified: September 27, 2026
Do not send funds to this closed facility; use the person's current Massachusetts DOC placement/account method.
Source: Official sourceLast verified: September 27, 2026
No inmate visitation at this closed facility. Verify the person's current placement.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
MCI-Cedar Junction concluded housing operations in June 2023. Do not send inmate mail to this former facility; locate the incarcerated individual at the current Massachusetts DOC facility first.
About MCI-Cedar Junction - Closed
MCI-Cedar Junction, formerly the maximum-security state prison in Walpole/South Walpole, concluded housing operations in June 2023.