Home Postcode finder TAS Granton Granton postcode TAS Granton is a locality in Tasmania covered by postcode 7030. Postcode 7030 State or territory Tasmania (TAS) Region Tasmania Add a free Granton business listing Be the first listing in Granton Common questionsWhat is the postcode for Granton?Granton, TAS has the postcode 7030.What state is Granton in?Granton is in Tasmania (TAS).Does postcode 7030 cover more than one suburb?Yes. Postcode 7030 covers 35 localities, so the postcode alone does not identify Granton. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.