Home Postcode finder VIC Keon Park Keon Park postcode VIC Keon Park is a locality in Victoria covered by postcode 3073. Postcode 3073 State or territory Victoria (VIC) Region Preston Add a free Keon Park business listing Be the first listing in Keon Park Common questionsWhat is the postcode for Keon Park?Keon Park, VIC has the postcode 3073.What state is Keon Park in?Keon Park is in Victoria (VIC).Does postcode 3073 cover more than one suburb?Yes. Postcode 3073 covers 5 localities, so the postcode alone does not identify Keon Park. Browse other postcodes in Victoria, or widen the search to every Australian postcode.