Mattress Firm Knoxville North is located in Knoxville TN, Zip Code: 37918 on the street of 4731 N Broadway St. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 865-687-4909. The coordinates that you can use in navigation applications to find Mattress Firm Knoxville North quickly are 36.02385 -83.92658 USA