Hours Of Operations Mattress Firm Washington Spokane Valley Mattress Firm Hours of Operation and Locations in Spokane Valley, WA 4.8 - 220 votes 1 Locations in Spokane Valley www.mattressfirm.com Mattress Firm Hours Category: Home & Garden Mattress Firm - Spokane Valley, WA 99216 3808 N Sullivan Rd, #13f(509) 926-6068 View Store Details Explore Spokane ValleyView More Apparel CostcoTJ MaxxRoss Dress for LessH & MCarhartt Sports CostcoTargetSports AuthorityBig 5 Sporting GoodsDick's Sporting Goods Jewelry CostcoHobby LobbyKohl's OutletKay JewelersChico's Recommend For You Mickey Shorr Milestones Milwaukee PC Mori Luggage & Gifts MyEyeDr New Seasons Market Old Time Pottery Pac Sun Pacific Sunwear Party Depot