Chicago, IL

ZIP code 60606 is located in the heart of downtown Chicago, Illinois. It is home to the iconic Willis Tower, formerly known as the Sears Tower, which stands as the second tallest building in the United States. The area also boasts the Chicago Mercantile Exchange and the Federal Reserve Bank of Chicago. With its bustling business district and notable skyscrapers, ZIP code 60606 is a prominent area in the city.