Mattress Firm Columbia Heights is located in Washington DC, Zip Code: 20010 on the street of 3100 14th St NW. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 202-552-0623. The coordinates that you can use in navigation applications to find Mattress Firm Columbia Heights quickly are 38.92931 -77.03299 USA