Home Postcode finder TAS Carlton Carlton postcode TAS Carlton is a locality in Tasmania covered by postcode 7173. Postcode 7173 State or territory Tasmania (TAS) Region Tasmania Add a free Carlton business listing Be the first listing in Carlton Common questionsWhat is the postcode for Carlton?Carlton, TAS has the postcode 7173.What state is Carlton in?Carlton is in Tasmania (TAS).Does postcode 7173 cover more than one suburb?Yes. Postcode 7173 covers 7 localities, so the postcode alone does not identify Carlton. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.