How to Send Legal Mail Confidentially to an Inmate at Dallas County Jail
Sending attorney-client mail to someone at Dallas County Jail? Where you address it makes all the difference. The jail explicitly warns that mail routed through its Seminole, Florida processing center is not confidential — but there are other options for attorneys.
Regular incoming mail at Dallas County Jail goes through a Mail Processing Center at PO Box 9226 in Seminole, Florida (33775-9226). When you send mail there, you'd typically address it with the inmate's name, book-in number, and "c/o Mail Processing Center PO Box 9226 Seminole, FL 33775-9226" on the location line. Here's the catch: the jail itself warns that any mail sent to PO Box 9226, Seminole, FL 33775-9226 will not be confidential.
For confidential legal correspondence, attorneys should use a different address: PO Box 660334, Dallas, TX 75266. This keeps your mail out of the general processing stream - it's the specific PO box the facility designates for attorney correspondence.
The jail also points attorneys toward SmartInmate (smartinmate.com) for confidential, secure delivery. If you want an alternative to standard mail routing, this is the platform the facility recommends for legal mail.
Once legal mail arrives, jail policy requires it be opened in the inmate's presence.
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- ✓ Use SmartInmate (smartinmate.com) for confidential, secure delivery of legal mail, as the facility encourages attorneys to do.
- ✓ If mailing attorney correspondence, send it to PO Box 660334, Dallas, TX 75266.
- ✓ Remember that legal mail will be opened in the inmate’s presence.
- ✓ Avoid sending legal correspondence to PO Box 9226, Seminole, FL 33775-9226 if confidentiality is the goal, because the facility states mail sent there will not be confidential.
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