Home Postcode finder NT Lake Mackay Lake Mackay postcode NT Lake Mackay is a locality in Northern Territory covered by postcode 0872. Postcode 0872 State or territory Northern Territory (NT) Region Adelaide Add a free Lake Mackay business listing Be the first listing in Lake Mackay Common questionsWhat is the postcode for Lake Mackay?Lake Mackay, NT has the postcode 0872.What state is Lake Mackay in?Lake Mackay is in Northern Territory (NT).Does postcode 0872 cover more than one suburb?Yes. Postcode 0872 covers 81 localities, so the postcode alone does not identify Lake Mackay. It also appears in 3 states or territories, so it does not identify a state either. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.