McLennan County Detention Center – CEC
McLennan County Detention Center – CEC
County Jail / Detention FacilityMailing Address
Jack Harwell Detention Center, TX
[Inmate Full Name] — [SO# / Inmate Identifier]
PO Box 247
Phoenix, MD 21131
[Inmate Full Name] — [SO# / Inmate Identifier]
PO Box 247
Phoenix, MD 21131
Physical Address
3101 Marlin Highway, Waco, TX 76705
Phone
Governing Agency
McLennan County Sheriff's Office
Inmate ID
SO# / Inmate Identifier — Required
Last Verified
September 25, 2026
Facility Mailing and Service Information
Only personal mail such as letters, pictures and drawings should be sent to the Phoenix TextBehind address. Privileged mail and parcels are excluded from the scanning address.
Source: Official sourceLast verified: September 25, 2026
Pictures/drawings may be sent through the personal-mail scanning route and are electronically delivered through the GettingOut tablet system, subject to facility rules.
Source: Official sourceLast verified: September 25, 2026
Packages/publications and attorney-client privileged mail do not use the TextBehind personal-mail address. Confirm the current direct-facility procedure before ordering books or sending parcels.
Source: Official sourceLast verified: September 25, 2026
Follow McLennan County's current inmate trust/deposit procedure. Do not place funds inside TextBehind personal correspondence.
Source: Official sourceLast verified: September 25, 2026
McLennan County currently uses GettingOut/Go Visit for onsite and remote visitation under the posted schedule. Verify the current inmate placement before scheduling.
Source: Official sourceLast verified: September 25, 2026
How to Address Your Letter
Effective November 1, 2022, personal mail is digitally delivered through TextBehind. The envelope must include the complete facility name and state, inmate full name and identifier, and the sender's full name and physical return address. Attorney-client privileged mail and packages continue to go directly to the facility.
About McLennan County Detention Center – CEC
Jack Harwell Detention Center is a local Texas detention facility operated by McLennan County Sheriff's Office. Verify current custody and the inmate identifier before sending mail because local jail procedures can change.