Maryland: pen pal rules and how to send mail
We found no rule in this department's published policies that stops people here from being listed on a pen-pal site. Normal mail rules still apply, and no one may ask pen pals for money.
Personal letters go to the person at their prison's mailing address, with their full name and ID number. The department's pages don't say whether letters are scanned or copied.
Checked against the department's own pages . How we check, and corrections
Pen pal listings
We found no rule in this department's published policies that stops people here from being listed on a pen-pal site. Normal mail rules still apply, and no one may ask pen pals for money.
Sending mail to someone in Maryland
Personal letters go to the person at their prison's mailing address, with their full name and ID number. The department's pages don't say whether letters are scanned or copied.
“The incarcerated individual's facility acronym (see below) ; and” Department source
“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;”
Source: Maryland mail page, read 2026-10-07. Rules change; the department's page is the final word.
See also: prison mail rules and your first letter.
Prisons in Maryland (16)
How to write to someone at each one: the mailing format, mail rules and messaging, from the department's own pages.
Find someone in Maryland
Official Maryland inmate locator
We check every profile's name and ID number against this locator within a day of it going live.