Home Postcode finder TAS Barretta Barretta postcode TAS Barretta is a locality in Tasmania covered by postcode 7054. Postcode 7054 State or territory Tasmania (TAS) Region Tasmania Add a free Barretta business listing Be the first listing in Barretta Common questionsWhat is the postcode for Barretta?Barretta, TAS has the postcode 7054.What state is Barretta in?Barretta 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 Barretta. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.