Home Postcode finder VIC Tresco Tresco postcode VIC Tresco is a locality in Victoria covered by postcode 3583. Postcode 3583 State or territory Victoria (VIC) Region Vic Far Country Add a free Tresco business listing Be the first listing in Tresco Common questionsWhat is the postcode for Tresco?Tresco, VIC has the postcode 3583.What state is Tresco in?Tresco is in Victoria (VIC).Does postcode 3583 cover more than one suburb?No. Postcode 3583 covers Tresco only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.