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How to send a letter to an inmate at Knox County Detention Facility

To write to someone held at Knox County Detention Facility, address the envelope to the inmate's full name and IDN (inmate ID number), Roger D. Wilson Detention Facility, 5001 Maloneyville Road, Knoxville, TN 37918. Knox County Detention Facility is the jail for Knox County, Tennessee, run by the Knox County Sheriff's Office. Mail is opened and inspected — include your full return address, and double-check the person is still in custody, since people are released or moved from a county jail quickly.

Inmate mail — Knox County Detention Facility

[Inmate's full name]  [IDN (inmate ID number)]
Roger D. Wilson Detention Facility
5001 Maloneyville Road
Knoxville, TN  37918

Put the inmate's full name and IDN (inmate ID number) on the first line, and your full return address in the corner — mail without either is usually rejected.

Verified August 2026knoxsheriff.org

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Your name
Your return address

Roger D. Wilson Detention Facility5001 Maloneyville RoadKnoxville, TN 37918

Your letter, printed and mailed for you.

Key facts

  • Send mail to Roger D. Wilson Detention Facility, 5001 Maloneyville Road, Knoxville, TN 37918 — the jail's own mailroom.
  • Write the inmate's full name and IDN (inmate ID number) on the envelope, plus your full return address, or the letter is returned.
  • All incoming mail is opened and inspected for contraband before it reaches the inmate.
  • Do not enclose cash, checks, gift cards, or anything other than paper — prohibited items get the whole letter rejected.
  • Put the inmate’s full name, IDN, and unit/pod assignment on the envelope.
  • Photos are subject to approval; nothing sexually explicit is accepted.
  • Do not put a letter in the same envelope as a money order — it won’t reach the inmate.
  • County jails move fast — people are released, bailed out, or transferred within days. Confirm the person is still in custody before mailing anything time-sensitive.
  • PostPal prints and mails your letter for you the next business day for $5 — with your return address printed so they can write back, and no printer, envelope, or stamp needed.

How to send your letter

  1. 1

    Confirm the person is still at the jail

    County-jail populations turn over quickly. Check the Knox County Sheriff's Office's online inmate roster to confirm they're still at Knox County Detention Facility — and get their IDN (inmate ID number) — before you mail anything.

  2. 2

    Address it correctly

    First line: the inmate's full name and IDN (inmate ID number). Then Roger D. Wilson Detention Facility, 5001 Maloneyville Road, Knoxville, TN 37918. Add your full return address in the top-left corner.

  3. 3

    Keep the contents allowed

    A plain letter on white paper is always safest. Put the inmate’s full name, IDN, and unit/pod assignment on the envelope. No cash, gift cards, or any object other than paper.

  4. 4

    Send it without a printer

    Write or upload your letter in PostPal with this address prefilled, and we print, envelope, and mail it via USPS the next business day for $5 — your return address printed so they can reply.

Common questions

How do I address a letter to an inmate at Knox County Detention Facility?

Put the inmate's full name and IDN (inmate ID number) on the first line, then Roger D. Wilson Detention Facility, 5001 Maloneyville Road, Knoxville, TN 37918. Include your full return address in the top-left corner of the envelope.

Is mail to Knox County Detention Facility opened or read?

Yes. All incoming mail is opened and inspected for contraband before delivery, and non-legal mail can be read.

What if they've been released or moved?

It happens fast at a county jail — people bond out or transfer within days, and the letter won't be forwarded. Check the Knox County Sheriff's Office's inmate roster to confirm they're still at Knox County Detention Facility before you send.

What can I send to Knox County Detention Facility?

Put the inmate’s full name, IDN, and unit/pod assignment on the envelope. Photos are subject to approval; nothing sexually explicit is accepted. Do not put a letter in the same envelope as a money order — it won’t reach the inmate. When in doubt, a plain letter on white paper is always accepted.

Can the inmate write back to me?

Yes, if you include a complete return address. PostPal prints your return address on the letter for you.

Sources

Addresses verified August 2026 against official sources. Always confirm on the official site before time-sensitive filings.

See the full US county & city jails rules — what you can and can’t send, photos & more →

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