Chicago, IL

60673 is a Chicago ZIP code located in the downtown area. It encompasses the iconic Willis Tower, formerly known as the Sears Tower, which stands as the second-tallest building in the United States. Additionally, the neighborhood is home to the Chicago Board of Trade Building, a historic landmark in the city's financial district. With its towering skyscrapers and bustling streets, ZIP code 60673 is a vibrant and bustling urban hub.