Home Postcode finder TAS Devon Hills Devon Hills postcode TAS Devon Hills is a locality in Tasmania covered by postcode 7300. Postcode 7300 State or territory Tasmania (TAS) Region Tasmania Add a free Devon Hills business listing Be the first listing in Devon Hills Common questionsWhat is the postcode for Devon Hills?Devon Hills, TAS has the postcode 7300.What state is Devon Hills in?Devon Hills is in Tasmania (TAS).Does postcode 7300 cover more than one suburb?Yes. Postcode 7300 covers 3 localities, so the postcode alone does not identify Devon Hills. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.