Chicago, IL

ZIP code 60603 is located in the Loop neighborhood of Chicago, Illinois. This bustling area is home to iconic landmarks such as the Willis Tower (formerly Sears Tower), one of the tallest buildings in the United States, and the cultural hub of Millennium Park, which features the famous Cloud Gate sculpture, also known as "The Bean." The area is a popular destination for tourists and locals alike due to its vibrant atmosphere and abundance of attractions.