Home Postcode finder VIC Mittyack Mittyack postcode VIC Mittyack is a locality in Victoria covered by postcode 3490. Postcode 3490 State or territory Victoria (VIC) Region Vic Far Country Add a free Mittyack business listing Be the first listing in Mittyack Common questionsWhat is the postcode for Mittyack?Mittyack, VIC has the postcode 3490.What state is Mittyack in?Mittyack is in Victoria (VIC).Does postcode 3490 cover more than one suburb?Yes. Postcode 3490 covers 8 localities, so the postcode alone does not identify Mittyack. Browse other postcodes in Victoria, or widen the search to every Australian postcode.