Sleep Number is located in Avondale AZ, Zip Code: 85392 on the street of 10155 W McDowell Rd, Ste C-100. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 623-800-7801. The coordinates that you can use in navigation applications to find Sleep Number quickly are 33.464515 -112.278513 USA