Altoona, PA

ZIP code 16603 encompasses the city of Altoona in Blair County, Pennsylvania. Key landmarks in this area include the Altoona Railroaders Memorial Museum, showcasing the city's rich railroad history, and the Horseshoe Curve, a National Historic Landmark where visitors can witness trains navigating a unique horseshoe-shaped curve. The region also boasts a variety of shopping and dining options, as well as outdoor recreational opportunities.