Home Postcode finder TAS Fentonbury Fentonbury postcode TAS Fentonbury is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Fentonbury business listing Be the first listing in Fentonbury Common questionsWhat is the postcode for Fentonbury?Fentonbury, TAS has the postcode 7140.What state is Fentonbury in?Fentonbury is in Tasmania (TAS).Does postcode 7140 cover more than one suburb?Yes. Postcode 7140 covers 48 localities, so the postcode alone does not identify Fentonbury. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.