Mattress Firm Germantown Commons is located in Germantown MD, Zip Code: 20874 on the street of 13052 Middlebrook Rd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 240-477-1046. The coordinates that you can use in navigation applications to find Mattress Firm Germantown Commons quickly are 39.18238 -77.27058 USA