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