Home Postcode finder TAS Fern Tree Fern Tree postcode TAS Fern Tree is a locality in Tasmania covered by postcode 7054. Postcode 7054 State or territory Tasmania (TAS) Region Tasmania Add a free Fern Tree business listing Be the first listing in Fern Tree Common questionsWhat is the postcode for Fern Tree?Fern Tree, TAS has the postcode 7054.What state is Fern Tree in?Fern Tree is in Tasmania (TAS).Does postcode 7054 cover more than one suburb?Yes. Postcode 7054 covers 13 localities, so the postcode alone does not identify Fern Tree. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.