Home Postcode finder QLD Wonga Wonga postcode QLD Wonga is a locality in Queensland covered by postcode 4873. Postcode 4873 State or territory Queensland (QLD) Region North QLD Add a free Wonga business listing Be the first listing in Wonga Common questionsWhat is the postcode for Wonga?Wonga, QLD has the postcode 4873.What state is Wonga in?Wonga is in Queensland (QLD).Does postcode 4873 cover more than one suburb?Yes. Postcode 4873 covers 29 localities, so the postcode alone does not identify Wonga. Browse other postcodes in Queensland, or widen the search to every Australian postcode.