Home Postcode finder TAS Lower Marshes Lower Marshes postcode TAS Lower Marshes is a locality in Tasmania covered by postcode 7030. Postcode 7030 State or territory Tasmania (TAS) Region Tasmania Add a free Lower Marshes business listing Be the first listing in Lower Marshes Common questionsWhat is the postcode for Lower Marshes?Lower Marshes, TAS has the postcode 7030.What state is Lower Marshes in?Lower Marshes is in Tasmania (TAS).Does postcode 7030 cover more than one suburb?Yes. Postcode 7030 covers 35 localities, so the postcode alone does not identify Lower Marshes. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.