Mattress Firm Merrillville Plaza is located in Merrillville IN, Zip Code: 46410 on the street of 1825 E 80th Ave. If you want to ask something about the furniture quality, mattresses sizes, catalog prices or any information, the Phone number is 219-769-0016. The coordinates that you can use in navigation applications to find Mattress Firm Merrillville Plaza quickly are 41.47344 -87.31317 USA