Mattress Firm Northshore is located in Houston TX, Zip Code: 77049 on the street of 5810 E Sam Houston Pkwy N, Ste A. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 281-454-7400. The coordinates that you can use in navigation applications to find Mattress Firm Northshore quickly are 29.809605 -95.162765 USA