Home Postcodes by state TAS Three Hummock Island Three Hummock Island postcode TAS Three Hummock Island is a locality in Tasmania covered by postcode 7330. Postcode 7330 State or territory Tasmania (TAS) Region Tasmania Add a free Three Hummock Island business listing Be the first listing in Three Hummock Island Also in postcode 7330AlcomieTAS 7330Arthur RiverTAS 7330Brittons SwampTAS 7330BroadmeadowsTAS 7330Christmas HillsTAS 7330Couta RocksTAS 7330Edith CreekTAS 7330ForestTAS 7330IrishtownTAS 7330LileahTAS 7330MarrawahTAS 7330MellaTAS 7330MenghaTAS 7330MontaguTAS 7330NabageenaTAS 7330Nelson BayTAS 7330RedpaTAS 7330Roger RiverTAS 7330ScopusTAS 7330ScotchtownTAS 7330SmithtonTAS 7330South ForestTAS 7330TemmaTAS 7330TogariTAS 7330TrowuttaTAS 7330West MontaguTAS 7330WoolnorthTAS 7330 Common questionsWhat is the postcode for Three Hummock Island?Three Hummock Island, TAS has the postcode 7330.What state is Three Hummock Island in?Three Hummock Island is in Tasmania (TAS).Does postcode 7330 cover more than one suburb?Yes. Postcode 7330 covers 28 localities, so the postcode alone does not identify Three Hummock Island. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.