Mattress Firm is located in Harwood Heights IL, Zip Code: 60706 on the street of 4602 N Harlem Ave. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 773-628-0016. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 41.68947 -88.22227 USA