Visiting, mail, money and calls at Southern Maryland Pre-Release Unit

What we could confirm for Southern Maryland Pre-Release Unit. Each item names its source and the day it was checked; check the source before you travel or send money.

How to look someone up

The facility's own search, the wider list and the phone number
People in state prison are listed in the Maryland state prison inmate search; the result names the prison that holds them.
Call Southern Maryland Pre-Release Unit at (301) 274-4701 with the person's full name and date of birth.
Number from HIFLD Prison Boundaries, a public federal facility dataset (data edited October 2025)

Address and phone

Where it is and how to reach it
Street address: 14320 Oaks Rd, Charlotte Hall, MD, 20622.
From HIFLD Prison Boundaries, a public federal facility dataset (data edited October 2025)
Phone: (301) 274-4701. People held here cannot take incoming calls.
From HIFLD Prison Boundaries, a public federal facility dataset (data edited October 2025)

How these things work in general: visiting, sending money, mail, phone calls.

Questions about Southern Maryland Pre-Release Unit

How do I find out if someone is in Southern Maryland Pre-Release Unit?

We do not collect a public roster for this facility. Use our Maryland state prison inmate search page to look for someone, or call the facility to confirm whether they are held there.

Where is Southern Maryland Pre-Release Unit?

Southern Maryland Pre-Release Unit is in Charlotte Hall, Charles County, Maryland. The street address we have on file is 14320 Oaks Rd, Charlotte Hall, MD, 20622.

What is the phone number for Southern Maryland Pre-Release Unit?

The phone number we have on file is (301) 274-4701. People held there cannot receive incoming calls.

How do I visit someone at Southern Maryland Pre-Release Unit?

Most state prisons require visitors to apply and be approved before the first visit, often after the person adds you to their visiting list, and approval can take several weeks. Visits usually happen on set days, and many prisons also offer video visits. Before you go, call (301) 274-4701.

Can I call someone at Southern Maryland Pre-Release Unit?

No. People held at Southern Maryland Pre-Release Unit call out, and calls are paid collect, from their own account, or from a prepaid account you set up with the facility's phone provider. All calls are recorded, so do not discuss the case on the phone. Ask the facility which phone provider it uses, at (301) 274-4701.

How do I send money to someone at Southern Maryland Pre-Release Unit?

Money goes into the person's account, often called a trust or commissary account, using their booking or inmate number. Facilities usually accept deposits through an approved online vendor, by phone, at a lobby kiosk or by money order. Never send cash in the mail. Ask Southern Maryland Pre-Release Unit which deposit service it uses before you send anything.

How do I send mail to someone at Southern Maryland Pre-Release Unit?

Address every letter with the person's full legal name and booking or inmate number, and put your full name and return address on the envelope. The street address we have on file is 14320 Oaks Rd, Charlotte Hall, MD, 20622. Many facilities use a different address or an outside mail-scanning service for inmate mail, so confirm the correct mailing address before you send anything.

Is searchinmates.org run by this facility?

No. searchinmates.org is a private website and is not affiliated with any government agency. We copy information from public sheriff and corrections sources, and it may be out of date. Always verify with the facility.

Prison listings come from a public corrections source and may be out of date. searchinmates.org is a private website, not affiliated with Southern Maryland Pre-Release Unit or any government agency.