Home Postcode finder VIC Wannon Wannon postcode VIC Wannon is a locality in Victoria covered by postcode 3301. Postcode 3301 State or territory Victoria (VIC) Region Vic Far Country Add a free Wannon business listing Be the first listing in Wannon Common questionsWhat is the postcode for Wannon?Wannon, VIC has the postcode 3301.What state is Wannon in?Wannon is in Victoria (VIC).Does postcode 3301 cover more than one suburb?Yes. Postcode 3301 covers 15 localities, so the postcode alone does not identify Wannon. Browse other postcodes in Victoria, or widen the search to every Australian postcode.