Home Postcode finder TAS Sisters Creek Sisters Creek postcode TAS Sisters Creek is a locality in Tasmania covered by postcode 7325. Postcode 7325 State or territory Tasmania (TAS) Region Tasmania Add a free Sisters Creek business listing Be the first listing in Sisters Creek Common questionsWhat is the postcode for Sisters Creek?Sisters Creek, TAS has the postcode 7325.What state is Sisters Creek in?Sisters Creek is in Tasmania (TAS).Does postcode 7325 cover more than one suburb?Yes. Postcode 7325 covers 20 localities, so the postcode alone does not identify Sisters Creek. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.