Information on Ross Stores in Williamsport, MD 21795 Outlet Note Regular Brands Ross Stores Maryland Williamsport 1702914 Rating 4.6 based on 104 votes Address 14 W Potomac St Williamsport, MD 21795 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. People Also Viewed