Hannibal, MO

ZIP code 63401 encompasses the city of Hannibal, Missouri, famously known as the hometown of Mark Twain. This historic city offers attractions such as the Mark Twain Boyhood Home and Museum, the Mark Twain Riverboat, and Lover's Leap offering panoramic views of the Mississippi River. Visitors can also explore the Hannibal History Museum, showcasing the rich cultural heritage of this charming river town.