Mattress Firm Sprague East is located in Spokane Valley WA, Zip Code: 99212 on the street of 4707 E Sprague Ave. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 509-535-3399. The coordinates that you can use in navigation applications to find Mattress Firm Sprague East quickly are 47.65748 -117.34115 USA