Sleep Number is located in Grandville MI, Zip Code: 49418 on the street of 3700 Rivertown Pkwy SW Spc 2024. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 616-249-0670. The coordinates that you can use in navigation applications to find Sleep Number quickly are 42.88046 -85.75656 USA