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How to send mail to an Inmate

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What is the address to send mail to an inmate?
The mailing address for sending letters to detainees is:

P.O. Box 089002
Chicago, Illinois 60608

Please be sure to include the detainee’s name and I.D. number (also known as booking number) with the address.
If you do not know the detainee’s I.D. number, you can obtain it by calling our automated system at 773-674-5245 or use the Inmate Locator.


What items CANNOT be mailed to an inmate?
Click here to view the list of prohibited or restricted items.

Some of these items will be made available to the inmate through commissary.

If any portion of a package is prohibited, the entire package will be returned to the sender with an explanation of why the package was returned.

The sender may obtain a review of returned items by writing to the Department of Corrections within 10 days of receipt of a Notice of Returned Mail and stating his/her objections at the following address:

Mail Rejection Appeal
Cook County Department of Corrections
P.O. Box 089002
Chicago, Illinois 60608


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