Home Postcode finder TAS Liena Liena postcode TAS Liena is a locality in Tasmania covered by postcode 7304. Postcode 7304 State or territory Tasmania (TAS) Region Tasmania Add a free Liena business listing Be the first listing in Liena Common questionsWhat is the postcode for Liena?Liena, TAS has the postcode 7304.What state is Liena in?Liena is in Tasmania (TAS).Does postcode 7304 cover more than one suburb?Yes. Postcode 7304 covers 29 localities, so the postcode alone does not identify Liena. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.