Money orders, personal checks/cash for commissary deposit are not accepted through the mail.
You may send outgoing mail as often as you wish, provided your letters do not violate regulations of the United States Post Office or the safe and secure operations of the Jefferson County Detention Center. You are required to include your full name and return address on outgoing mail. Failure to do so will result in the mail being returned to you for correction. Your mailing address while in custody of the Jefferson County Detention Center is:
Jefferson County Detention Center C/O (your name, cell assignment, and Alien # if applicable) P.O. Box 100 Hillsboro, Missouri 63050