Home Postcode finder QLD Lower Wonga Lower Wonga postcode QLD Lower Wonga is a locality in Queensland covered by postcode 4570. Postcode 4570 State or territory Queensland (QLD) Region Sunshine Coast Add a free Lower Wonga business listing Be the first listing in Lower Wonga Common questionsWhat is the postcode for Lower Wonga?Lower Wonga, QLD has the postcode 4570.What state is Lower Wonga in?Lower Wonga 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 Lower Wonga. Browse other postcodes in Queensland, or widen the search to every Australian postcode.