Home Postcode finder TAS Wattle Grove Wattle Grove postcode TAS Wattle Grove is a locality in Tasmania covered by postcode 7109. Postcode 7109 State or territory Tasmania (TAS) Region Tasmania Add a free Wattle Grove business listing Be the first listing in Wattle Grove Common questionsWhat is the postcode for Wattle Grove?Wattle Grove, TAS has the postcode 7109.What state is Wattle Grove in?Wattle Grove is in Tasmania (TAS).Does postcode 7109 cover more than one suburb?Yes. Postcode 7109 covers 27 localities, so the postcode alone does not identify Wattle Grove. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.