Home Postcode finder NT Eaton Eaton postcode NT Eaton is a locality in Northern Territory covered by postcode 0820. Postcode 0820 State or territory Northern Territory (NT) Region Darwin Add a free Eaton business listing More business listings in Eaton Businesses in EatonHanrob Pet Hotels Darwin16 Larkin Avenue, Eaton NT, Australia · 1300426762 Common questionsWhat is the postcode for Eaton?Eaton, NT has the postcode 0820.What state is Eaton in?Eaton is in Northern Territory (NT).Does postcode 0820 cover more than one suburb?Yes. Postcode 0820 covers 18 localities, so the postcode alone does not identify Eaton. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.