Home Postcode finder TAS Acton Acton postcode TAS Acton is a locality in Tasmania covered by postcode 7320. Postcode 7320 State or territory Tasmania (TAS) Region Tasmania Add a free Acton business listing Be the first listing in Acton Common questionsWhat is the postcode for Acton?Acton, TAS has the postcode 7320.What state is Acton in?Acton is in Tasmania (TAS).Does postcode 7320 cover more than one suburb?Yes. Postcode 7320 covers 19 localities, so the postcode alone does not identify Acton. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.