Home Postcode finder TAS Upper Natone Upper Natone postcode TAS Upper Natone is a locality in Tasmania covered by postcode 7321. Postcode 7321 State or territory Tasmania (TAS) Region Tasmania Add a free Upper Natone business listing Be the first listing in Upper Natone Common questionsWhat is the postcode for Upper Natone?Upper Natone, TAS has the postcode 7321.What state is Upper Natone in?Upper Natone is in Tasmania (TAS).Does postcode 7321 cover more than one suburb?Yes. Postcode 7321 covers 35 localities, so the postcode alone does not identify Upper Natone. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.