The White House - www.whitehouse.gov
United States Representatives - http://www.house.gov
At the upper right, enter your zipcode to get the U.S. Representative for your area.
United States Senate - www.senate.gov
At the upper right of the page, enter "Illinois" to get the Senators for Illinois.
Official website for the State of Illinois - http://www.illinois.gov/government/pages/default.aspx
To find YOUR Legislative District or Officials, go to: www.elections.illinois.gov/DistrictLocator/DistrictOfficialSearch
Enter your address at the top left. Your District Officials will come up.