Discount Mattress Fir is located in Gaithersburg MD, Zip Code: 20877 on the street of 5 N Frederick Ave. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 301-330-4200. The coordinates that you can use in navigation applications to find Discount Mattress Fir quickly are 39.14226 -77.19908 USA