Mattress Firm Middletown is located in Middletown NJ, Zip Code: 7748 on the street of 1344 State Route 35. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 732-275-1101. The coordinates that you can use in navigation applications to find Mattress Firm Middletown quickly are 40.40032 -74.12199 USA