Castine, ME

ZIP code 04420 covers the town of Bucksport, Maine. This picturesque town is situated along the Penobscot River, offering stunning views and outdoor recreational opportunities. The most notable landmarks in this area include the Penobscot Narrows Bridge and Observatory, which provides panoramic views of the surrounding landscape, as well as the historic Fort Knox State Park, a well-preserved military fort dating back to the mid-19th century.