Home Postcode finder VIC Dooen Dooen postcode VIC Dooen is a locality in Victoria covered by postcode 3401. Postcode 3401 State or territory Victoria (VIC) Region Vic Far Country Add a free Dooen business listing Be the first listing in Dooen Common questionsWhat is the postcode for Dooen?Dooen, VIC has the postcode 3401.What state is Dooen in?Dooen is in Victoria (VIC).Does postcode 3401 cover more than one suburb?Yes. Postcode 3401 covers 33 localities, so the postcode alone does not identify Dooen. Browse other postcodes in Victoria, or widen the search to every Australian postcode.