Home Postcode finder NT Flynn Flynn postcode NT Flynn is a locality in Northern Territory covered by postcode 0870. Postcode 0870 State or territory Northern Territory (NT) Region Adelaide Add a free Flynn business listing Be the first listing in Flynn Common questionsWhat is the postcode for Flynn?Flynn, NT has the postcode 0870.What state is Flynn in?Flynn is in Northern Territory (NT).Does postcode 0870 cover more than one suburb?Yes. Postcode 0870 covers 20 localities, so the postcode alone does not identify Flynn. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.