Costco Wholesale is located in Tukwila WA, Zip Code: 98188 on the street of 400 Costco Dr, #150. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 206-575-9191. The coordinates that you can use in navigation applications to find Costco Wholesale quickly are 47.44559 -122.24833 USA