Ulster, PA

ZIP code 18850 belongs to Prompton, a small community in Wayne County, Pennsylvania. This area is known for its scenic Prompton State Park, offering opportunities for fishing, hiking, and picnicking. The park surrounds the 282-acre Prompton Lake, a popular spot for boating and birdwatching. Other landmarks in the area include the nearby town of Honesdale and its historic Main Street, as well as the Lackawaxen River which flows through the region.