Home Postcode finder TAS Wyena Wyena postcode TAS Wyena is a locality in Tasmania covered by postcode 7254. Postcode 7254 State or territory Tasmania (TAS) Region Tasmania Add a free Wyena business listing Be the first listing in Wyena Common questionsWhat is the postcode for Wyena?Wyena, TAS has the postcode 7254.What state is Wyena in?Wyena is in Tasmania (TAS).Does postcode 7254 cover more than one suburb?Yes. Postcode 7254 covers 7 localities, so the postcode alone does not identify Wyena. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.