Sleep Number is located in Sioux City IA, Zip Code: 51106 on the street of 5001 Sergeant Rd, Ste 255. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 712-276-4076. The coordinates that you can use in navigation applications to find Sleep Number quickly are 42.44581 -96.34122 USA