We are The Sleep Experts! Mattress World of PA is the largest privately owned mattress store in Central PA. All of Mattress Worlds locations have sleep experts on staff that can help you choose the mattress set that is right for you. Whether its a king size mattress set or a futon, Mattress World of PA is the right mattress store for you!Locally owned and operated, Mattress World of PA has one of the largest selection of mattresses and bedding accessories as well as free set-up and delivery of your new mattress. Stop into one of our mattress store locations or call us at (814) 355-0845.View Our Locations Bellefonte, Burnham, Altoona, State College, PA #1State College, PA #2