Home Postcode finder VIC Bena Bena postcode VIC Bena is a locality in Victoria covered by postcode 3946. Postcode 3946 State or territory Victoria (VIC) Region Vic Far Country Add a free Bena business listing Be the first listing in Bena Common questionsWhat is the postcode for Bena?Bena, VIC has the postcode 3946.What state is Bena in?Bena is in Victoria (VIC).Does postcode 3946 cover more than one suburb?No. Postcode 3946 covers Bena only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.