Home Postcode finder NT Tiwi Tiwi postcode NT Tiwi is a locality in Northern Territory covered by postcode 0810. Postcode 0810 State or territory Northern Territory (NT) Region Darwin Add a free Tiwi business listing More business listings in Tiwi Businesses in TiwiMark Salmon Electrical16 Undoolya Street, Tiwi Northern Territory 0810, Australia · 61 0418855550MT Roofing15 Tiwi Gardens · (04) 8883 9459Dripstone High SchoolDelamer St · 08 89202299 Common questionsWhat is the postcode for Tiwi?Tiwi, NT has the postcode 0810.What state is Tiwi in?Tiwi is in Northern Territory (NT).Does postcode 0810 cover more than one suburb?Yes. Postcode 0810 covers 16 localities, so the postcode alone does not identify Tiwi. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.