Sleep Number is located in Dubuque IA, Zip Code: 52002 on the street of 2515 NW Arterial, Ste 9. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 563-231-3589. The coordinates that you can use in navigation applications to find Sleep Number quickly are 42.51864 -90.74195 USA