Home Postcode finder VIC Koyuga Koyuga postcode VIC Koyuga is a locality in Victoria covered by postcode 3622. Postcode 3622 State or territory Victoria (VIC) Region Vic Far Country Add a free Koyuga business listing Be the first listing in Koyuga Common questionsWhat is the postcode for Koyuga?Koyuga, VIC has the postcode 3622.What state is Koyuga in?Koyuga is in Victoria (VIC).Does postcode 3622 cover more than one suburb?Yes. Postcode 3622 covers 2 localities, so the postcode alone does not identify Koyuga. Browse other postcodes in Victoria, or widen the search to every Australian postcode.