How to Send Mail to Someone at Napa Corrections (Including the Florida P.O. Box You Didn't Expect)

Napa County Department of Corrections routes all incoming mail through a Mail Processing Center, and the address is a P.O. Box in Seminole, Florida. Use the exact format they require (including the person's PID), and you'll avoid a lot of preventable delays and rejected mail.

2 min read Verified from official sources

Mail for someone at Napa County Department of Corrections goes through a Mail Processing Center. That's why the address on your envelope includes "c/o Mail Processing Center" and a P.O. Box in Seminole, Florida, even though your loved one is housed in Napa County.

Use this addressing format exactly as written, including the incarcerated person's PID (Personal Identification Number): Incarcerated Person's Name, PID (Personal Identification Number) c/o Mail Processing Center P.O. Box 9218 Seminole, FL 33775-9218 That name-and-PID line is what connects your letter to the right person. Double-check it before you send anything.

Copy/paste reminder: Your envelope needs “c/o Mail Processing Center, P.O. Box 9218, Seminole, FL 33775-9218,” plus the incarcerated person’s name and PID.

Incoming mail is received and processed Monday through Friday, excluding holidays. If you mail something close to the weekend or a holiday, build in extra time. It won't move through the system on those closed days.

People housed at Napa County DOC can send and receive an unlimited number of letters. You don't have to ration your communication. That said, every piece of mail still goes through the facility's screening process like any other correspondence.

If something you send is determined to be contraband, it will be rejected and you'll get an explanation. Mail can also be opened and inspected for good cause, so even ordinary letters may be reviewed when there's a reason.

Legal and court-related correspondence is treated differently. It's considered confidential and will only be inspected in the incarcerated person's presence.

  • Send magazines, newspapers, periodicals, and paperback books directly from the publisher, a bookstore, or a verifiable and reputable internet/mail-order company
  • Do not send hard plastic or metal items (including bindings)
  • Expect hardbound books to be reviewed on a case-by-case basis

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