Home Postcode finder TAS Orielton Orielton postcode TAS Orielton is a locality in Tasmania covered by postcode 7172. Postcode 7172 State or territory Tasmania (TAS) Region Tasmania Add a free Orielton business listing Be the first listing in Orielton Common questionsWhat is the postcode for Orielton?Orielton, TAS has the postcode 7172.What state is Orielton in?Orielton is in Tasmania (TAS).Does postcode 7172 cover more than one suburb?Yes. Postcode 7172 covers 5 localities, so the postcode alone does not identify Orielton. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.