Castine, ME

ZIP code 04420 covers the town of Bucksport, Maine. It is home to notable landmarks such as the Penobscot Narrows Bridge and Observatory, providing stunning views of the Penobscot River. Additionally, Fort Knox State Historic Site, a well-preserved fortification dating back to the mid-19th century, sits along the riverbank. This ZIP code offers a blend of historical and natural attractions for visitors to enjoy.