Mattress Firm is located in Kennesaw GA, Zip Code: 30144 on the street of 400 Ernest W Barrett Pkwy NW. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 770-590-1704. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 34.01414 -84.5611 USA