InmateAid Ask the Inmate Letters & Photos Postcards & Greeting Cards Discount Calls Maryland Showing 16–30 of 80 results Sort by: Random Newest first Oldest first Title A-Z Title Z-A Random Cecil County Correctional Facility Featured 410-996-5800 Carroll County MD Detention Center Featured 410-386-2628 Allegany County MD Detention Center Featured 301-729-8540 ext 227 Charles County MD Detention Center Featured 301-932-3100 J. DeWeese Carter Youth Facility Featured 410-778-6444 MD DOC – Maryland Correctional Institution – Hagerstown (MCI-H) Featured 240-420-1000, 410-229-1351 Baltimore Metro Transition Center Featured 410-837-2135 MD DOC – North Branch Correctional Institution (NBCI) Featured 301-729-7400 Caroline County MD Department of Corrections Featured 410-479-2517 MD DOC – Metropolitan Transition Center Featured 410-837-2135 MD DOC – Threshold (THRESH) Featured 410-727-0100 Somerset County MD Detention Center Featured 410-651-9223 Frederick County MD Detention Center (ICE) Featured 301-600-2550 MD DOC – Southern Maryland Pre-Release Unit (SMPRU) Featured 301-274-4701 Dorchester County MD Department of Corrections Featured 410-228-8101 ← Prison and Jail Direcory → Letter