Sleep Number is located in Columbia MD, Zip Code: 21044 on the street of 10300 Little Patuxent Pkwy, Ste 2345. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 410-740-8565. The coordinates that you can use in navigation applications to find Sleep Number quickly are 39.216757 -76.858056 USA