Home Postcode finder TAS Grasstree Hill Grasstree Hill postcode TAS Grasstree Hill is a locality in Tasmania covered by postcode 7017. Postcode 7017 State or territory Tasmania (TAS) Region Tasmania Add a free Grasstree Hill business listing Be the first listing in Grasstree Hill Common questionsWhat is the postcode for Grasstree Hill?Grasstree Hill, TAS has the postcode 7017.What state is Grasstree Hill in?Grasstree Hill is in Tasmania (TAS).Does postcode 7017 cover more than one suburb?Yes. Postcode 7017 covers 6 localities, so the postcode alone does not identify Grasstree Hill. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.