Sleep Number is located in Knoxville TN, Zip Code: 37934 on the street of 10901 Parkside Dr, Ste 104. If you want to ask something about the furniture quality, mattresses sizes, catalog prices or any information, the Phone number is 865-288-4067. The coordinates that you can use in navigation applications to find Sleep Number quickly are 35.901139 -84.145337 USA