Sleep Number is located in Whitehall PA, Zip Code: 18052 on the street of 241 Lehigh Valley Mall, Ste 2069. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 610-264-1031. The coordinates that you can use in navigation applications to find Sleep Number quickly are 40.6289 -75.47786 USA