Mattress Firm Germantown is located in Germantown MD, Zip Code: 20876 on the street of 20680 Seneca Meadows Pkwy, Ste A8. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 301-540-1656. The coordinates that you can use in navigation applications to find Mattress Firm Germantown quickly are 39.19861 -77.25559 USA