Home Postcode finder VIC Yan Yean Yan Yean postcode VIC Yan Yean is a locality in Victoria covered by postcode 3755. Postcode 3755 State or territory Victoria (VIC) Region Melbourne North West Add a free Yan Yean business listing Be the first listing in Yan Yean Common questionsWhat is the postcode for Yan Yean?Yan Yean, VIC has the postcode 3755.What state is Yan Yean in?Yan Yean is in Victoria (VIC).Does postcode 3755 cover more than one suburb?No. Postcode 3755 covers Yan Yean only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.