Mattress Firm is located in Bismarck ND, Zip Code: 58504 on the street of 413 E Bismarck Expy. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 701-751-8338. The coordinates that you can use in navigation applications to find Mattress Firm quickly are 46.79442 -100.78627 USA