Home Postcode finder QLD Woondum Woondum postcode QLD Woondum is a locality in Queensland covered by postcode 4570. Postcode 4570 State or territory Queensland (QLD) Region Sunshine Coast Add a free Woondum business listing Be the first listing in Woondum Common questionsWhat is the postcode for Woondum?Woondum, QLD has the postcode 4570.What state is Woondum in?Woondum is in Queensland (QLD).Does postcode 4570 cover more than one suburb?Yes. Postcode 4570 covers 85 localities, so the postcode alone does not identify Woondum. Browse other postcodes in Queensland, or widen the search to every Australian postcode.