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How to send a letter to an inmate at Allen County Jail

To write to someone held at Allen County Jail, address the envelope to the inmate's full name and inmate ID number, Allen County Jail, 417 S Calhoun St, Fort Wayne, IN 46802. Allen County Jail is the jail for Allen County, Indiana, run by the Allen County Sheriff. 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 — Allen County Jail

[Inmate's full name]  [inmate ID number]
Allen County Jail
417 S Calhoun St
Fort Wayne, IN  46802

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

Verified September 2026allencountysheriff.org

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Your name
Your return address

Allen County Jail417 S Calhoun StFort Wayne, IN 46802

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Key facts

  • Send mail to Allen County Jail, 417 S Calhoun St, Fort Wayne, IN 46802 — the jail's own mailroom.
  • Write the inmate's full name and inmate ID number on the envelope, plus your full return address, or the letter is returned.
  • Incoming mail is opened, inspected, and photocopied — the inmate receives a copy, not your original. Send copies of anything you want to keep.
  • Do not enclose cash, checks, gift cards, or anything other than paper — prohibited items get the whole letter rejected.
  • Mail is delivered to inmates between 2:00 PM and 10:00 PM, Monday through Saturday.
  • All mail is copied on-site and delivered to the inmate; the original is placed in their property.
  • Photographs, greeting cards, postcards, stickers, glitter, perfume, books, and magazines are not accepted.
  • 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 Allen County Sheriff's online inmate roster to confirm they're still at Allen County Jail — and get their inmate ID number — before you mail anything.

  2. 2

    Address it correctly

    First line: the inmate's full name and inmate ID number. Then Allen County Jail, 417 S Calhoun St, Fort Wayne, IN 46802. 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. Mail is delivered to inmates between 2:00 PM and 10:00 PM, Monday through Saturday. 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 Allen County Jail?

Put the inmate's full name and inmate ID number on the first line, then Allen County Jail, 417 S Calhoun St, Fort Wayne, IN 46802. Include your full return address in the top-left corner of the envelope.

Is mail to Allen County Jail opened or read?

Yes. Incoming mail is opened, inspected, and photocopied — the inmate gets the copy, and your original is kept in their property or discarded. 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 Allen County Sheriff's inmate roster to confirm they're still at Allen County Jail before you send.

What can I send to Allen County Jail?

Mail is delivered to inmates between 2:00 PM and 10:00 PM, Monday through Saturday. All mail is copied on-site and delivered to the inmate; the original is placed in their property. Photographs, greeting cards, postcards, stickers, glitter, perfume, books, and magazines are not accepted. 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 September 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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