Home Postcode finder NT Simpson Simpson postcode NT Simpson is a locality in Northern Territory covered by postcode 0872. Postcode 0872 State or territory Northern Territory (NT) Region Adelaide Add a free Simpson business listing Be the first listing in Simpson Common questionsWhat is the postcode for Simpson?Simpson, NT has the postcode 0872.What state is Simpson in?Simpson 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 Simpson. 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.