Home Postcode finder TAS Oaks Oaks postcode TAS Oaks is a locality in Tasmania covered by postcode 7303. Postcode 7303 State or territory Tasmania (TAS) Region Tasmania Add a free Oaks business listing Be the first listing in Oaks Common questionsWhat is the postcode for Oaks?Oaks, TAS has the postcode 7303.What state is Oaks in?Oaks is in Tasmania (TAS).Does postcode 7303 cover more than one suburb?Yes. Postcode 7303 covers 7 localities, so the postcode alone does not identify Oaks. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.