Mattress Firm 1st Avenue is located in New York NY, Zip Code: 10065 on the street of 1115 1st Ave. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 212-486-1920. The coordinates that you can use in navigation applications to find Mattress Firm 1st Avenue quickly are 40.76113 -73.96111 USA