Missouri inmate mail
Send a letter to an inmate in Missouri
Write online using the recipient's full name and Missouri DOC ID number. PieterPost already handles the official Tampa address, printing, envelope, postage, and mailing.
Write my Missouri inmate letterMissouri state-prison addresses
Use the Missouri Digital Mail Center address
Missouri sends routine personal mail to the Securus Digital Mail Center in Tampa. Use the incarcerated person's full record name and DOC ID number so the scan reaches the correct account.
This route is only for ordinary personal correspondence. Legal mail, publications, money, certified documents, packages, and other special items use separate procedures.
Digital Mail Center – Missouri DOC
Incarcerated person’s full name – DOC ID numberc/o Digital Mail Center – Missouri DOCP.O. Box 25678Tampa, FL 33622-5678Three simple steps
How to send a letter to an inmate in Missouri
Add the inmate's name and DOC ID number. We already know the official statewide personal-mail address.
- 1Enter their name and DOC ID number
- 2Write and review your message
- 3We print, stamp, and mail it
Current Missouri guidance
Helpful inmate-mail rules
- Letter length
- Up to 10 eligible items per envelope; each letter page, permitted photo, or other eligible piece counts as an item
- Paper format
- Use blue or black ink on plain material that scans clearly
- Envelope and address
- Include the full name, DOC ID number, sender's full name and return address, and use the Tampa processor address
- How it arrives
- Securus provides an electronic or printed copy; originals are held 45 days, then destroyed unless an eligible return is arranged
Items that need another approved route
PieterPost is for ordinary written letters. To help avoid a mailroom rejection, do not add these items to the envelope:
- Physical greeting cards sent through ordinary postal mail
- Irreplaceable originals or items that cannot be scanned clearly
- Glued layers, loose objects, stickers, glitter, or decorative additions
- Cash, checks, stamps, gift cards, or other loose valuables
PieterPost takes care of the rest
You only need to write your message
No printer, paper, envelope, stamp, or trip to the post office. We prepare and mail the physical letter for you.
- Write your letter online from any device
- Check the finished letter before paying
- We format and print it for the facility
- We address, stamp, and mail the envelope
Missouri local jail directory
Looking for a county or city jail?
This guide covers people in Missouri Department of Corrections custody. County and city jails use their own addresses, which you can find on the map.
Is the person in federal prison?
Search the Bureau of Prisons inmate locator and continue with the federal letter flow.
Common questions
How do I send a letter to someone in Missouri state prison?
Confirm the DOC ID number, then write online. PieterPost formats and prints your letter, adds the envelope and postage, and mails it to the Missouri DOC Digital Mail Center in Tampa for processing.
Which address should I use for Missouri personal mail?
Use the incarcerated person's full name and DOC ID number, followed by c/o Digital Mail Center – Missouri DOC, P.O. Box 25678, Tampa, FL 33622-5678. Do not substitute the prison's address.
How do I find the Missouri DOC ID number and facility?
Use Missouri DOC's offender search to verify the DOC ID number and current custody location. The agency calls this identifier the DOC ID number, and it belongs on the processor address.
Will the recipient get my original Missouri letter?
The processor scans routine mail for electronic delivery, with a printed copy available when suitable tablet access is unavailable. Originals are normally retained for 45 days and destroyed unless an eligible return is arranged under the current Securus procedure.
Does this guide apply to Missouri jails or federal prisons?
No. This page covers adults in Missouri Department of Corrections state prisons. County or city jails, federal prisons, juvenile facilities, and other custody systems can use different routes and rules.