InmateAid Ask the Inmate Letters & Photos Postcards & Greeting Cards Discount Calls Maryland Showing 6–10 of 80 results Sort by: Random Newest first Oldest first Title A-Z Title Z-A Random MD DOC – Eastern Correctional Institution – Annex (ECI-A) Featured 410-845-4000 Baltimore Jail Featured 443-263-2220 MD DOC – Eastern Correctional Institution (ECI) Featured 410-845-4000, 877-802-6074 Frederick County MD Detention Center (ICE) Featured 301-600-2550 Backbone Mountain Youth Centers Featured ← Prison and Jail Direcory → Letter