Mattress Firm Mansfield is located in Hackettstown NJ, Zip Code: 7840 on the street of 2045 State Route 57. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 908-684-2471. The coordinates that you can use in navigation applications to find Mattress Firm Mansfield quickly are 40.82831 -74.83404 USA