Mattress Firm Niles Northeast is located in Niles IL, Zip Code: 60714 on the street of 7119 W Dempster St. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 847-966-1853. The coordinates that you can use in navigation applications to find Mattress Firm Niles Northeast quickly are 42.04042 -87.80464 USA