Prison Pen Pal Hub
Maryland · Baltimore

How to write to someone at Maryland Reception, Diagnostic and Classification Center

Mail personal letters to the address below, filling in the person's name and ID number where marked.

Checked against the department's own pages . How we check, and corrections

MAIL TO

INCARCERATED INDIVIDUAL’S NAME , SID #MRDCC550 EAST MADISON STREETBALTIMORE, MARYLAND 21202

Dashed lines are for you to fill in, in the department's own words.

Address the envelope in this order: the person's name and SID number, the facility acronym, the facility's mailing address, then city, state and ZIP. Put your name and return address in the top left. Mail and books must show the facility acronym and your name and return address.

City
Baltimore
Where letters go
To the prison
What happens to them
The department doesn't say
What they get
The department doesn't say

“The incarcerated individual's facility acronym (see below) ; and” Department source

Street address (not for letters unless the department says so): 550 EAST MADISON STREET, BALTIMORE, MARYLAND 21202

“Mail And Books MUST NOT CONTAIN: An item glued, taped, or otherwise attached; An aftermarket alterations, such as paint, crayon, marker, ink, glitter, cloth, or string; A label or sticker (including address labels) except for a postage that is to be removed;”
Pen pals at Maryland Reception, Diagnostic and Classification Center

No one at Maryland Reception, Diagnostic and Classification Center is listed yet. Know someone there who wants mail? List them for $50.

Questions

What is the mailing address for Maryland Reception, Diagnostic and Classification Center?

INCARCERATED INDIVIDUAL’S NAME , SID #, MRDCC, 550 EAST MADISON STREET, BALTIMORE, MARYLAND 21202.

Is mail scanned at Maryland Reception, Diagnostic and Classification Center?

Maryland's pages don't say whether letters are scanned or copied. Check its mail page.

Can someone at Maryland Reception, Diagnostic and Classification Center be listed on a pen pal site?

We found no rule in Maryland's published policies against it, and normal mail rules still apply. Rules change; the department's page is the final word.

Something wrong or out of date? Tell us and we fix it from the department's page. How we check.

Sources: Maryland Reception, Diagnostic and Classification Center page, Maryland mail rules, read 2026-10-07. Rules change; the department's page is the final word. Find someone: official inmate locator.

How to write your first letter · All Maryland prisons and rules