Sleep Number is located in Nottingham MD, Zip Code: 21236 on the street of 8200 Perry Hall Blvd Ste 2280. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 410-931-9700. The coordinates that you can use in navigation applications to find Sleep Number quickly are 39.37497 -76.47284 USA