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 quality, mattresses sizes, catalog prices or any information, 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