Mail, photos, messaging, and phone/call options for staying in touch.
Communication at O'Daniel Unit runs through the agency's Inmate Technology program and third-party vendors. Available services vary by unit. To receive phone calls, register your number through the vendor system using the inmate's TDCJ ID. The unit also offers Securus remote video visits—60 minutes each, $10.00, with a limit of one per month per inmate. Eligible inmates may access secure tablets loaded with educational, vocational, religious, and legal materials. Need phone support? Unit and telephone service lines are answered Monday–Friday during business hours. Note: effective February 2, 2026, Inmate Technology office calling hours change to Monday–Friday 8 a.m. to 3 p.m. For vendor-service complaints, use the ITS Contact Form or contact the Inmate Technology Services Contract Manager by mail or email.
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Want to receive phone calls from someone at the O'Daniel Unit? You'll need to register your number first. Once enrolled with TDCJ's phone system, the inmate can place paid calls to you—provided they're eligible and following TDCJ rules.
Register your telephone number through the state/vendor registration system, and be ready to enter the inmate’s TDCJ ID when prompted. Calls are routed through the vendor system and may require account funding or vendor-specific payment methods.
Remote video visits at the O’Daniel Unit are 60 minutes long. They cost $10.00 per visit, and inmates are limited to one remote video visit per month.
Eligible inmates can use secure tablets to access educational, vocational, religious, and legal materials, along with other programs. Eligibility and what’s available depend on custody level and unit rules, so check the unit page for specifics.
Address mail to the inmate’s full name and TDCJ number, and send it to PO Box 660400, Dallas, TX 75266-0400. It will go through TDCJ’s centralized digital mail processing before it reaches the inmate.
No—don’t include money, checks, or deposits in mail to the unit. Follow the Inmate Trust Fund mailing instructions for deposits, and avoid prohibited enclosures like cash, loose stamps, and other non-paper items.
Legal and privileged mail is typically handled through the facility’s legal-mail process, separate from general scanned mail. It’s usually inspected for contraband under different procedures and may be delivered without standard scanning.
A little prep can save you a long drive and a missed visit. Run through this checklist before heading to O'Daniel Unit.
To request a visit at the O'Daniel Unit, you'll need your own TDCJ Online Visitation Scheduler account with a verified email and completed visitor profile. The process is straightforward once you know where people typically get stuck—email validation, the questionnaire, and adding the inmate correctly.
Sending money to someone at a TDCJ facility is straightforward once you know the rules. Here's what you need to know about deposit methods and who's allowed to send funds.
