Home Postcode finder TAS Carlton River Carlton River postcode TAS Carlton River is a locality in Tasmania covered by postcode 7173. Postcode 7173 State or territory Tasmania (TAS) Region Tasmania Add a free Carlton River business listing Be the first listing in Carlton River Common questionsWhat is the postcode for Carlton River?Carlton River, TAS has the postcode 7173.What state is Carlton River in?Carlton River 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 River. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.