Hours Of Operations Mattress Superstore Pennsylvania King of Prussia Mattress Superstore Hours of Operation and Locations in King of Prussia, PA 4.7 - 15 votes 1 Locations in King of Prussia www.sleepone.com Mattress Superstore Hours Category: Home & Garden Mattress Superstore - King Of Prussia, PA 19406 600 S Henderson Rd(610) 314-7482 View Store Details Explore King of PrussiaView More Apparel CostcoColdwater CreekLord & TaylorH & MFrederick's of Hollywood Sports CostcoSports AuthorityNew BalanceLA FitnessSkechers Jewelry CostcoLord & TaylorZalesGucciKay Jewelers Recommend For You Mattress Warehouse Maui Divers Jewelry McCoy's Building Supply Merle Norman Cosmetic Studio Miele Modern Bathroom Mor Furniture for Less My Eyelab Naturalizer Olay