Castine, ME

ZIP code 04420 covers the town of Bucksport, Maine. This picturesque town is situated along the Penobscot River and is home to iconic landmarks such as the Penobscot Narrows Bridge and Observatory which offers breathtaking views, as well as the historic Fort Knox State Park. Residents and visitors can also enjoy outdoor activities at the nearby Bucksport Waterfront Walkway and explore local shops and restaurants in the charming downtown area.