Home Postcode finder VIC Toombon Toombon postcode VIC Toombon is a locality in Victoria covered by postcode 3825. Postcode 3825 State or territory Victoria (VIC) Region Vic Country Add a free Toombon business listing Be the first listing in Toombon Common questionsWhat is the postcode for Toombon?Toombon, VIC has the postcode 3825.What state is Toombon in?Toombon is in Victoria (VIC).Does postcode 3825 cover more than one suburb?Yes. Postcode 3825 covers 30 localities, so the postcode alone does not identify Toombon. Browse other postcodes in Victoria, or widen the search to every Australian postcode.