Home Postcode finder VIC Eldorado Eldorado postcode VIC Eldorado is a locality in Victoria covered by postcode 3746. Postcode 3746 State or territory Victoria (VIC) Region Vic Far Country Add a free Eldorado business listing Be the first listing in Eldorado Common questionsWhat is the postcode for Eldorado?Eldorado, VIC has the postcode 3746.What state is Eldorado in?Eldorado is in Victoria (VIC).Does postcode 3746 cover more than one suburb?No. Postcode 3746 covers Eldorado only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.