na801 Washington Avenue, Unit C, Philadelphia, PA 19147naPenn's Rock 801 Washington Ave801 Washington Avenue, Unit CPhiladelphia, PA 19147Hours Of Operation: Monday:9:00 AM - 5:00 PM Tuesday:9:00 AM - 5:00 PM Wednesday:9:00 AM - 7:00 PM Thursday:9:00 AM - 5:00 PM Friday:Closed Saturday:Closed Sunday:Closed Book Online267-692-4772