Giles W. Dalby Unit
Giles W. Dalby Unit
State Prison - Texas / Cross-State RecordMailing Address
[Inmate / Resident Full Name] — [ID if known]
Giles W. Dalby Unit
P.O. Box 247, Phoenix, MD 21131
Giles W. Dalby Unit
P.O. Box 247, Phoenix, MD 21131
Physical Address
805 N. Avenue F, Post, TX 79356
Governing Agency
Texas Department of Criminal Justice
Inmate ID
Inmate / Resident ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
This is not a Maryland correctional facility. The Phoenix, Maryland address is a remote mail-processing address. Verify current custody and the facility's current mail rules before sending correspondence. Physical facility: 805 N. Avenue F, Post, TX 79356.
Last verified: September 27, 2026
Follow the actual facility/state's current photo-mail rules.
Last verified: September 27, 2026
Follow the actual facility/state's current publication/package rules.
Last verified: September 27, 2026
Use the actual facility/state's approved inmate-account deposit method.
Last verified: September 27, 2026
Verify current custody/placement and current visitation rules before traveling.
Last verified: September 27, 2026
How to Address Your Letter
This is not a Maryland correctional facility. The Phoenix, Maryland address is a remote mail-processing address. Verify current custody and the facility's current mail rules before sending correspondence. Physical facility: 805 N. Avenue F, Post, TX 79356.
About Giles W. Dalby Unit
Giles W. Dalby Unit was reviewed on 2026-09-27 for current status, physical location and mail-routing classification.