King County Jail
King County Jail
County Jail / Detention FacilityMailing Address
[Inmate Full Booked Name] — [Booking Number / Inmate ID if known]
King County Jail
PO Box 66, Guthrie, TX 79236
King County Jail
PO Box 66, Guthrie, TX 79236
Physical Address
PO Box 66, Guthrie, Texas 79236
Governing Agency
King County Sheriff's Office
Inmate ID
Booking Number / Inmate ID — Not required
Last Verified
September 25, 2026
Facility Mailing and Service Information
Texas Minimum Jail Standards Rule 291.2 requires every county jail to maintain an approved correspondence plan.
Statewide standards allow inmates to send as many letters/pages as they desire and allow incoming correspondence in any quantity, subject to the jail's local security, property and contraband procedures.
Use the inmate's full booked name and booking/inmate number if known, plus a complete sender return address. Verify any county-specific scanning vendor, envelope rule or enclosure limit with the Sheriff's Office.
Source:
Texas Commission on Jail Standards - Correspondence Plan Checklist
www.tcjs.state.tx.us
Statewide standards allow inmates to send as many letters/pages as they desire and allow incoming correspondence in any quantity, subject to the jail's local security, property and contraband procedures.
Use the inmate's full booked name and booking/inmate number if known, plus a complete sender return address. Verify any county-specific scanning vendor, envelope rule or enclosure limit with the Sheriff's Office.
Source:
Texas Commission on Jail Standards - Correspondence Plan Checklist
www.tcjs.state.tx.us
Last verified: September 25, 2026
Texas statewide jail standards do not establish one universal photo size or quantity limit for every county jail. Photo rules are set in each facility's local correspondence/property plan.
Before sending photos, confirm the county's current quantity, size, Polaroid/self-developing-photo and content restrictions. Avoid sexually explicit, gang-related, weapon/drug-related or contraband-related images.
Before sending photos, confirm the county's current quantity, size, Polaroid/self-developing-photo and content restrictions. Avoid sexually explicit, gang-related, weapon/drug-related or contraband-related images.
Source: Official sourceLast verified: September 25, 2026
Texas county jails may apply local publication and package rules. The statewide correspondence standard does not create one publisher/source rule that applies identically to every county.
Confirm whether books must come directly from a publisher/retailer, whether hardcover or used books are prohibited, and whether packages require pre-approval.
Confirm whether books must come directly from a publisher/retailer, whether hardcover or used books are prohibited, and whether packages require pre-approval.
Source: Official sourceLast verified: September 25, 2026
Do not place cash or checks inside ordinary correspondence unless the jail's current written instructions explicitly permit a specific deposit instrument.
Use the county jail's current approved commissary/trust-fund deposit method and verify the inmate's booking/account identifier before sending funds.
Use the county jail's current approved commissary/trust-fund deposit method and verify the inmate's booking/account identifier before sending funds.
Source: Official sourceLast verified: September 25, 2026
County jail visitation schedules, visitor approval/identification rules and video-visitation vendors differ by county.
Confirm the inmate's current custody location and the Sheriff's Office's current visitation schedule before traveling or scheduling a remote visit.
Confirm the inmate's current custody location and the Sheriff's Office's current visitation schedule before traveling or scheduling a remote visit.
Source: Official sourceLast verified: September 25, 2026
How to Address Your Letter
Use the inmate's full booked name and booking/inmate number if known, and include a complete sender return address.
Current database mail route:
King County Jail
PO Box 66, Guthrie, TX 79236
The current address may be a direct jail address or an off-site digital-mail processing address. This batch intentionally does not assign a specific vendor unless a current county-specific vendor has been independently verified.
Verify the current mail route, legal-mail exception, photo limit, publication rule and deposit procedure with the King County Sheriff's Office before sending irreplaceable originals.
Statewide standards source:
www.tcjs.state.tx.us
Current database mail route:
King County Jail
PO Box 66, Guthrie, TX 79236
The current address may be a direct jail address or an off-site digital-mail processing address. This batch intentionally does not assign a specific vendor unless a current county-specific vendor has been independently verified.
Verify the current mail route, legal-mail exception, photo limit, publication rule and deposit procedure with the King County Sheriff's Office before sending irreplaceable originals.
Statewide standards source:
www.tcjs.state.tx.us
About King County Jail
King County Jail is a Texas county jail operated under the authority of the King County Sheriff's Office. Texas Commission on Jail Standards requires each county jail to maintain an approved local correspondence plan, so county-specific mail and enclosure rules should be verified before sending.