Sleep Number is located in Biloxi MS, Zip Code: 39540 on the street of 3868 Promenade Parkway Suite B. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 228-354-8631. The coordinates that you can use in navigation applications to find Sleep Number quickly are 30.45600319 -88.9024353 USA