Sleep Number is located in Portage MI, Zip Code: 49024 on the street of 6650 S Westnedge Ave, Spc 206. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 269-324-2888. The coordinates that you can use in navigation applications to find Sleep Number quickly are 42.22088 -85.59093 USA