Mattress Firm is located in Woonsocket RI, Zip Code: 2895 on the street of 1500 Diamond Hill Rd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 401-766-2728. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 42.01669 -71.4815 USA