Home Postcode finder VIC Kennett River Kennett River postcode VIC Kennett River is a locality in Victoria covered by postcode 3221. Postcode 3221 State or territory Victoria (VIC) Region Vic Far Country Add a free Kennett River business listing Be the first listing in Kennett River Common questionsWhat is the postcode for Kennett River?Kennett River, VIC has the postcode 3221.What state is Kennett River in?Kennett River is in Victoria (VIC).Does postcode 3221 cover more than one suburb?Yes. Postcode 3221 covers 20 localities, so the postcode alone does not identify Kennett River. Browse other postcodes in Victoria, or widen the search to every Australian postcode.