Each of the 25 Chicago Police Districts have a physical address, email address, and phone number. Many have websites, press releases and Twitter/X.com accounts.
You can look up your District (also known as Area) using this tool, provided by the Chicago Police Department:
(If the above doesn't work, open it in a new tab.)
A map of the Chicago Police Department Districts/Areas:
You can also see the full version to zoom in and print.
Each police district/area is listed in the table below.