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 quality, mattresses sizes, catalog prices or any information, 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