Mattress Firm Zilker is located in Austin TX, Zip Code: 78704 on the street of 311 S Lamar Blvd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 512-473-8631. The coordinates that you can use in navigation applications to find Mattress Firm Zilker quickly are 30.26238 -97.75752 USA