Effective May 15, 2023 all personal mail to your loved one at the Winnebago County Jail, IL will be digitally delivered to them via the tablet.
Please note the new mailing address is:
Winnebago County Jail, Rockford IL
Inmate’s name, MID#
P.O. Box 247
Phoenix, MD 21131
IMPORTANT: To ensure your mail gets delivered, you must include the full facility name and state where the facility is located, as well as
the inmate's FULL NAME AND MID#. Please also note the sender's full name and physical address must be clearly written on the top left corner of the
This only applies to personal mail such as letters, pictures and drawings. This does not include attorney-client privileged mail.
To report any mail delivery issues, contact TextBehind suport directly at
Mail that does not include the Inmate’s name or MID# will be returned to sender
To find an inmate’s MID# visit inmates.winnebagosheriff.com
Mail that does not include sender information will be returned to the Post Office
ALL MAIL IS SUBJECT TO SCREENING.
NO Glitter NO Lipstick
NO Glued or loose stones NO Staples
NO Glued pages NO Jewelry
NO Stickers NO Books or Magazines
NO Labels NO Checks, Cash or Money Orders
NO Oversized mail NO Envelopes or stamps*
*Inmates can purchase stamped envelopes through commissary.
Inmates are limited to 10 photographs in their possession at one time.
Mail containing inappropriate content will be returned to sender. Examples of inappropriate content include photos, drawings or pictures containing nudity, gang references, alcoholic beverages or anything of a sexual nature.
Inmate mail is not delivered on Saturdays, Sundays or Holidays.
If an inmate is released to Illinois Department of Corrections see the Inmate Transfer to IDOC page for inmate property information.