Monticello, IL

ZIP code 61856 is located in Monticello, Illinois. This area is known for its charming small-town atmosphere and historic architecture. Landmarks in this ZIP code include Allerton Park, a sprawling estate with formal gardens and sculptures, and the Monticello Railway Museum, featuring vintage train rides and exhibits. Residents and visitors alike enjoy the serene surroundings and vibrant community events in this picturesque town.