Castine, ME

ZIP code 04420 covers the town of Bucksport, Maine. This picturesque town is situated along the Penobscot River and is best known for the iconic Bucksport Bridge, providing stunning views of the water and surrounding area. Other notable landmarks in the area include Fort Knox State Historic Site, a well-preserved military fort, and the Penobscot Narrows Bridge and Observatory, offering panoramic views from its observation tower.