Home Postcode finder TAS Crabtree Crabtree postcode TAS Crabtree is a locality in Tasmania covered by postcode 7109. Postcode 7109 State or territory Tasmania (TAS) Region Tasmania Add a free Crabtree business listing Be the first listing in Crabtree Common questionsWhat is the postcode for Crabtree?Crabtree, TAS has the postcode 7109.What state is Crabtree in?Crabtree 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 Crabtree. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.