Home Postcode finder QLD Woowoonga Woowoonga postcode QLD Woowoonga is a locality in Queensland covered by postcode 4621. Postcode 4621 State or territory Queensland (QLD) Region Sunshine Coast Add a free Woowoonga business listing Be the first listing in Woowoonga Common questionsWhat is the postcode for Woowoonga?Woowoonga, QLD has the postcode 4621.What state is Woowoonga in?Woowoonga is in Queensland (QLD).Does postcode 4621 cover more than one suburb?Yes. Postcode 4621 covers 11 localities, so the postcode alone does not identify Woowoonga. Browse other postcodes in Queensland, or widen the search to every Australian postcode.