Home Postcode finder NT Ross Ross postcode NT Ross is a locality in Northern Territory covered by postcode 0870. Postcode 0870 State or territory Northern Territory (NT) Region Adelaide Add a free Ross business listing Be the first listing in Ross Common questionsWhat is the postcode for Ross?Ross, NT has the postcode 0870.What state is Ross in?Ross is in Northern Territory (NT).Does postcode 0870 cover more than one suburb?Yes. Postcode 0870 covers 20 localities, so the postcode alone does not identify Ross. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.