Smithfield, PA

ZIP code 15478 encompasses Smithfield, Pennsylvania. This area is notable for being home to Ohiopyle State Park, a popular outdoor recreational spot showcasing waterfalls, hiking trails, and whitewater rafting opportunities along the Youghiogheny River. Additionally, visitors can explore the historic architecture of Fallingwater, the iconic Frank Lloyd Wright-designed house, which is a UNESCO World Heritage Site located in this ZIP code.