Mattress Firm is located in Overland Park KS, Zip Code: 66223 on the street of 7100 W 135th St. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 913-814-0927. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 38.88415 -94.66878 USA