Home Postcode finder VIC Wishart Wishart postcode VIC Wishart is a locality in Victoria covered by postcode 3189. Postcode 3189 State or territory Victoria (VIC) Region Dandenong Add a free Wishart business listing Be the first listing in Wishart Common questionsWhat is the postcode for Wishart?Wishart, VIC has the postcode 3189.What state is Wishart in?Wishart is in Victoria (VIC).Does postcode 3189 cover more than one suburb?Yes. Postcode 3189 covers 3 localities, so the postcode alone does not identify Wishart. Browse other postcodes in Victoria, or widen the search to every Australian postcode.