Home Postcode finder TAS Trenah Trenah postcode TAS Trenah is a locality in Tasmania covered by postcode 7263. Postcode 7263 State or territory Tasmania (TAS) Region Tasmania Add a free Trenah business listing Be the first listing in Trenah Common questionsWhat is the postcode for Trenah?Trenah, TAS has the postcode 7263.What state is Trenah in?Trenah is in Tasmania (TAS).Does postcode 7263 cover more than one suburb?Yes. Postcode 7263 covers 5 localities, so the postcode alone does not identify Trenah. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.