Mattress Firm is located in Lenexa KS, Zip Code: 66219 on the street of 10572 Lackman Rd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 913-438-2300. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 38.88319 -94.66476 USA