How to send messages, photos, and packages
Video visits at Harford County Detention Center run through the GTL visitor portal. You can also register and join visits using the GTL VisMobile Android app. Can't make a scheduled video visit? Cancel it before the start time—otherwise you'll be marked as a no-show. One heads-up: ConnectNetwork/Telmate posted a notice about a 2020 data breach. A linked PDF explains what information may have been affected and what steps to take. For phone calls, Maryland facilities typically require you to set up an account with the facility's vendor and fund a prepaid or PIN-debit option. Expect calls and most video visits to be monitored and recorded. Log into the vendor app before your scheduled visit time.
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Mail rules at detention centers can be strict—miss one small requirement and your letter comes right back. Here's how to send postcards, photos, and books to someone at Harford County Detention Center, plus how to message them digitally through Access Corrections.
Harford County Detention Center has strict rules about inbound mail. Follow the postcard and photo guidelines below, address everything correctly, and your mail is much more likely to reach your loved one without delays.
Create and manage your visitor account through the GTL visitor portal. You can also register and attend mobile visits using the GTL VisMobile Android app.
If you don’t cancel before the visit begins, you’ll be recorded as a no-show. Cancel the video visit before its scheduled start time to avoid being marked absent.
ConnectNetwork/Telmate posted a notice about a 2020 data breach with a PDF detailing affected information and mitigation steps. If you think you may be impacted, follow the steps in that vendor PDF.
Address mail to Harford County Detention Center, P.O. Box 1245, Bel Air, MD 21014. Include the inmate’s first and last name and their inmate ID number exactly as provided to avoid delays or returns.
Yes—but only commercially produced postcards that meet USPS standards. Handmade postcards and index cards aren't accepted. You can also send up to five photos in an envelope marked "Photos" or "Photographs," or use Access Corrections at securemail.accesscorrections.com for electronic messages and photos.
Books must be purchased from BarnesandNoble.com or BooksAMillion.com and mailed via the U.S. Postal Service. As of 6/25/25, hardback and used books are not accepted.
Your first visit to Harford County Detention Center goes smoother when you show up with the right ID, the right clothing, and as little extra stuff as possible. This checklist will help you avoid the most common reasons people get delayed or turned away.
Visiting someone at Harford County Detention Center goes smoothly when you handle the setup ahead of time. Use this checklist so you don't lose your slot—or get turned away at the door.
Your first visit goes much smoother when you handle registration and scheduling ahead of time. Harford County Detention Center uses GTL/VisManager for visitor accounts and appointments. Your main tasks: register, verify your email, book a time slot, and show up early with valid ID.
