How do you contact Federal Insurance Company of Chicago Illinois about an old insurance policy?

First it sounds like you don't know where they are located. Call you State Insurance Commission. They will be able to give you an address and telephone number. Also, if this company was taken over by another company, the Insur. Comm. will be able to tell you who purchased and their name, address, number. Once obtaining number to call, call ask for policy service. Give them the number of policy and ask your questions.