Home Postcode finder QLD Coowonga Coowonga postcode QLD Coowonga is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Coowonga business listing More business listings in Coowonga Businesses in CoowongaCoowonga State School269 Coowonga Rd · 07 49344192 Common questionsWhat is the postcode for Coowonga?Coowonga, QLD has the postcode 4702.What state is Coowonga in?Coowonga is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Coowonga. Browse other postcodes in Queensland, or widen the search to every Australian postcode.