Home Postcode finder NT Nightcliff Nightcliff postcode NT Nightcliff is a locality in Northern Territory covered by postcode 0810. Postcode 0810 State or territory Northern Territory (NT) Region Darwin Add a free Nightcliff business listing More business listings in Nightcliff Businesses in NightcliffAdwintageAralia Street · 0406611930Adwintage Aralia Street · 0406611930Nightcliff High SchoolRyland Rd · 08 89850850 Common questionsWhat is the postcode for Nightcliff?Nightcliff, NT has the postcode 0810.What state is Nightcliff in?Nightcliff 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 Nightcliff. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.