Home Postcode finder VIC Kadnook Kadnook postcode VIC Kadnook is a locality in Victoria covered by postcode 3318. Postcode 3318 State or territory Victoria (VIC) Region Vic Far Country Add a free Kadnook business listing Be the first listing in Kadnook Common questionsWhat is the postcode for Kadnook?Kadnook, VIC has the postcode 3318.What state is Kadnook in?Kadnook is in Victoria (VIC).Does postcode 3318 cover more than one suburb?Yes. Postcode 3318 covers 7 localities, so the postcode alone does not identify Kadnook. Browse other postcodes in Victoria, or widen the search to every Australian postcode.