Sleep Number is located in North Charleston SC, Zip Code: 29406 on the street of 2150 Northwoods Blvd, Ste B-20. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 843-628-5692. The coordinates that you can use in navigation applications to find Sleep Number quickly are 32.94592 -80.04233 USA