Home Postcode finder QLD Kooroongarra Kooroongarra postcode QLD Kooroongarra is a locality in Queensland covered by postcode 4357. Postcode 4357 State or territory Queensland (QLD) Region Toowoomba Region Add a free Kooroongarra business listing Be the first listing in Kooroongarra Common questionsWhat is the postcode for Kooroongarra?Kooroongarra, QLD has the postcode 4357.What state is Kooroongarra in?Kooroongarra is in Queensland (QLD).Does postcode 4357 cover more than one suburb?Yes. Postcode 4357 covers 26 localities, so the postcode alone does not identify Kooroongarra. Browse other postcodes in Queensland, or widen the search to every Australian postcode.