New Harbor, ME

ZIP code 04554 encompasses the charming coastal town of Newcastle, Maine. The area is known for its historic architecture and picturesque setting along the Damariscotta River. The most notable landmarks in this zip code include the breathtaking Newcastle town hall, the historic Whaleback Shell Midden State Historic Site, and the iconic Newcastle Publick House. Residents and visitors alike appreciate the small-town charm and stunning water views that define this area.