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Starting Wednesday, December 1, 2021, all mail will need to be sent to the below addresses.
Mail not addressed as directed below will be rejected.

Standard Non-Legal Friends and Family Mail Address:
Inmate Name - Inmate ID
Knox County Detention Center
P.O. Box 76550
Highland Heights, KY 41076
Mail from Lawyers or other legal representation:
Inmate Name - Inmate ID
Knox County Detention Center
570 KY 225
Barbourville, KY 40906

Mail for:

  1. Payments on inmate accounts
  2. Money Orders for commissary made out to the Knox County Detention Center with (Inmate name) written on the memo line.
  3. Money Orders made out to the Knox County Detention Center for MRT book payments (inmate name - MRT Book) written on memo line.
Knox County Detention Center
570 KY 225
Barbourville, KY 40906


  1. All incoming mail must be addressed with the Inmate name and Inmage ID
  2. All incoming mail must have a return address on the envelope
  3. All incoming mail must be no larger than 8 1/2" x 11" (letter size), no smaller than 3 1/2" x 5" (post card size), no thicker than light card stock, and must be able to be fed through a sheet fed scanner.
  4. All incoming mail shall be opened and inspected or read to determine if contraband is enclosed or any violation of prison rules has occurred. If violations are found, mail will be destroyed and not returned.
  5. Prohibited Mail
    1. Stamps
    2. Blank envelopes
    3. Stationary
    4. Cash, checks, money orders, or any other forms of currency
    5. Threats of physical harm against any person or threats/details of criminal activity
    6. Plans to smuggle contraband into or out of the institution
    7. Information to formulate escape plans, to commit a crime or to violate a prison rule
    8. Solicitation of gifts, goods, money, or things of value from individuals or entities other than family or established close friends
    9. Code or gang insignia
    10. Obscene language or drawings

    1. Information that, if communicated, would create a threat to the security of the institution
    2. None of the following may be included or attached:
      1. Address lables
      2. Stickers
      3. Homemade cards
      4. Musical cards
      5. Non-white envelopes or paper
      6. Paintings
      7. Tracing paper
      8. Pages from coloring books
      9. Drawings in colored ink, marker, crayon, or glitter
      10. Raised decorations
      11. Paint or the use of white out, glue, or any other liquid form
  6. Pictures are the only enclosures permitted to be mailed to inmates.
    1. Each inmate is allowed up to 6 photographs per package, but these MUST be printed on photo paper
    2. Printouts from the internet, colored pages, and provocative material (i) are not permitted and will be destroyed.
      1. Provocative is generally defined as follows: "Causing annoyance, anger, or another strong reaction" or "arousing in sexual desire or interest."
  7. Return to Sender Items
    1. Legal Mail
    2. Certified mail requiring inmate signature
    3. Mail with postage due


All inmate mail is read and scanned for:

  • Pornography of any type.
  • Contraband items
    • Tobacco, drugs of any kind etc…

Kentucky State Corrections updates our jail detailing the latest and greatest ways that contraband is being smuggled into prisons / jails. We are updated weekly.

The smallest concern in this area will result in the mail being held and possible charges being brought against the sender.






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