How to Address Mail to Someone at Johnson County Jail (PO Box and Return Address)
Getting your letter to someone at Johnson County Jail comes down to two things: the exact PO Box address and a complete return address.
Write the person's name on the envelope, then use the jail's mailing address: PO Box 2540, Iowa City, IA 52244. This is the official address for inmate mail - using it correctly helps avoid delays or returned letters.
Example: Inmate Name PO Box 2540 Iowa City, IA 52244
Note: The jail’s street address is 511 S. Capitol St., Iowa City, IA 52240 (2nd floor), but letters should be mailed to the PO Box listed above.
Always include your full name and address as the return address. Put it in the upper-left corner of the envelope where it's easy to spot. If something goes wrong with delivery, a complete return address means your letter comes back to you instead of getting tossed.
Quick Checklist
- ✓ Stickers (on the letter or envelope)
- ✓ Lipstick (including kiss marks)
- ✓ Perfume
- ✓ Any other foreign substance applied to the letter or envelope
- Write the inmate’s name clearly - use the person’s name on the recipient line, then the PO Box address.
- Add a complete return address - include your full name and address in the return address area.
- Keep the envelope and paper plain - don’t add stickers, lipstick, perfume, or anything else applied to the paper or envelope.
Johnson County Jail doesn't accept packages mailed to inmates - period. If you send one anyway, it won't be delivered.
Books and magazines are handled differently: they must ship directly from the publisher. Don't mail reading material yourself - arrange for the publisher to send it instead.
Tip: Not sure if what you want to send counts as a package or allowed reading material? Check first. Packages aren't accepted, and books or magazines must come straight from the publisher.
Want to confirm the current mail rules before sending anything? Call Johnson County Jail at (319) 356-6025. Have the inmate's name handy, and remember: the mailing address for letters is PO Box 2540, Iowa City, IA 52244.
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