Mattress Firm is located in Frisco TX, Zip Code: 75035 on the street of 9288 State Highway 121 Ste 400. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 972-377-9945. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 33.09969 -96.80271 USA