Home Postcode finder TAS Tunbridge Tunbridge postcode TAS Tunbridge is a locality in Tasmania covered by postcode 7120. Postcode 7120 State or territory Tasmania (TAS) Region Tasmania Add a free Tunbridge business listing Be the first listing in Tunbridge Common questionsWhat is the postcode for Tunbridge?Tunbridge, TAS has the postcode 7120.What state is Tunbridge in?Tunbridge is in Tasmania (TAS).Does postcode 7120 cover more than one suburb?Yes. Postcode 7120 covers 19 localities, so the postcode alone does not identify Tunbridge. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.