Home Postcode finder VIC Kooloonong Kooloonong postcode VIC Kooloonong is a locality in Victoria covered by postcode 3597. Postcode 3597 State or territory Victoria (VIC) Region Vic Far Country Add a free Kooloonong business listing Be the first listing in Kooloonong Common questionsWhat is the postcode for Kooloonong?Kooloonong, VIC has the postcode 3597.What state is Kooloonong in?Kooloonong is in Victoria (VIC).Does postcode 3597 cover more than one suburb?Yes. Postcode 3597 covers 6 localities, so the postcode alone does not identify Kooloonong. Browse other postcodes in Victoria, or widen the search to every Australian postcode.