Mattress Firm Yakima is located in Yakima WA, Zip Code: 98901 on the street of 1401 S 1st St. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 509-575-5579. The coordinates that you can use in navigation applications to find Mattress Firm Yakima quickly are 46.58491 -120.49577 USA