Home Postcode finder QLD Kurwongbah Kurwongbah postcode QLD Kurwongbah is a locality in Queensland covered by postcode 4503. Postcode 4503 State or territory Queensland (QLD) Region Moreton Add a free Kurwongbah business listing Be the first listing in Kurwongbah Common questionsWhat is the postcode for Kurwongbah?Kurwongbah, QLD has the postcode 4503.What state is Kurwongbah in?Kurwongbah is in Queensland (QLD).Does postcode 4503 cover more than one suburb?Yes. Postcode 4503 covers 6 localities, so the postcode alone does not identify Kurwongbah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.