Black River Correctional Center
Black River Correctional Center
Wisconsin Minimum-Security Correctional CenterMailing Address
PO Box 189, Phoenix, Maryland 21131
Physical Address
PO Box 189, Phoenix, Maryland 21131
Governing Agency
Wisconsin Department of Corrections (WI DOC)
Inmate ID
Wisconsin DOC Number — Required
Last Verified
October 1, 2026
Facility Mailing and Service Information
Routine personal correspondence is processed under Wisconsin DOC mail rules and may be scanned or otherwise centrally handled. Legal/privileged mail follows separate direct-facility procedures.
Source: Official sourceLast verified: October 1, 2026
Photographs are subject to Wisconsin DOC content, quantity and property rules. Confirm current photo limits and do not send irreplaceable originals when central processing is used.
Source: Official sourceLast verified: October 1, 2026
Books, magazines and publications follow separate Wisconsin DOC source and delivery rules and should not be sent through routine personal-mail processing unless current policy permits it.
Source: Official sourceLast verified: October 1, 2026
Do not include cash or personal checks in routine correspondence. Use Wisconsin DOC's current approved inmate-funds methods.
Source: Official sourceLast verified: October 1, 2026
Wisconsin DOC visitation approval and institution-specific schedules apply. Verify current visiting status and facility instructions before travel.
Source: Official sourceLast verified: October 1, 2026
How to Address Your Letter
Wisconsin DOC routes routine personal mail for many institutions through its central Phoenix, Maryland processing address. Use the incarcerated person's full name and DOC number and verify the institution-specific addressing format before mailing. The Maryland address is a mail-processing center, not the physical Wisconsin facility.
About Black River Correctional Center
Black River Correctional Center is a Wisconsin Department of Corrections facility/program. Routine personal mail may be routed through P.O. Box 189 in Phoenix, Maryland; that address is a mail-processing location rather than the physical Wisconsin institution.