Mattress Firm is located in Merrick NY, Zip Code: 11566 on the street of 2066 Sunrise Hwy. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 516-867-9786. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 40.66305 -73.55001 USA