Mattress Firm Downtown Portland is located in Portland OR, Zip Code: 97204 on the street of 838 SW 4th Ave. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 503-972-7822. The coordinates that you can use in navigation applications to find Mattress Firm Downtown Portland quickly are 45.53362 -122.65413 USA