Home Postcode finder VIC Lake Wellington Lake Wellington postcode VIC Lake Wellington is a locality in Victoria covered by postcode 3851. Postcode 3851 State or territory Victoria (VIC) Region Vic Far Country Add a free Lake Wellington business listing Be the first listing in Lake Wellington Common questionsWhat is the postcode for Lake Wellington?Lake Wellington, VIC has the postcode 3851.What state is Lake Wellington in?Lake Wellington is in Victoria (VIC).Does postcode 3851 cover more than one suburb?Yes. Postcode 3851 covers 27 localities, so the postcode alone does not identify Lake Wellington. Browse other postcodes in Victoria, or widen the search to every Australian postcode.