InmateAid Ask the Inmate Letters & Photos Postcards & Greeting Cards Discount Calls Maryland Showing 31–45 of 80 results Sort by: Oldest first Newest first Oldest first Title A-Z Title Z-A Random Alfred D. Noyes Center Featured 410-792-0865, 301-762-7800 MD DOC – Western Correctional Institution (WCI) Featured 301-729-7000, 877-286-3965 MD DOC – Threshold (THRESH) Featured 410-727-0100 MD DOC – Southern Maryland Pre-Release Unit (SMPRU) Featured 301-274-4701 MD DOC – Roxbury Correctional Institution (RCI) Featured 240-420-3000, 877-464-0764 MD DOC – Poplar Hill Pre-Release Unit (PHPRU) Featured 410-845-4580 Patuxent Institution Featured 410-799-3400 Carroll County MD Detention Center Featured 410-386-2628 Howard County MD Detention Center (ICE) Featured 410-313-5200 Harford County Detention Center Featured 410-638-3140 Garrett County MD Detention Center Featured 301-334-5055 Frederick County MD Detention Center (ICE) Featured 301-600-2550 Dorchester County MD Department of Corrections Featured 410-228-8101 Charles County MD Detention Center Annex Featured 301-932-3100 Charles County MD Detention Center Featured 301-932-3100 ← Prison and Jail Direcory → Letter