Rowland is an unincorporated community in Pike County, Pennsylvania, United States. The community is located along the Lackawaxen River and Pennsylvania Route 590, 7.4 miles east of Hawley. Rowland has a post office with ZIP code 18457, which opened on January 20, 1838.Check out my PENNSYLVANIA SECTION in my seller's store, for all my PA cards in one place. Discounts available for multi-orders, and combined shipping!