Home Postcode finder NT Tennant Creek Tennant Creek postcode NT Tennant Creek is a locality in Northern Territory covered by postcode 0862. Postcode 0862 State or territory Northern Territory (NT) Region Adelaide Add a free Tennant Creek business listing Be the first listing in Tennant Creek Common questionsWhat is the postcode for Tennant Creek?Tennant Creek, NT has the postcode 0862.What state is Tennant Creek in?Tennant Creek is in Northern Territory (NT).Does postcode 0862 cover more than one suburb?Yes. Postcode 0862 covers 17 localities, so the postcode alone does not identify Tennant Creek. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.