Home Postcode finder VIC Hazel Park Hazel Park postcode VIC Hazel Park is a locality in Victoria covered by postcode 3966. Postcode 3966 State or territory Victoria (VIC) Region Vic Far Country Add a free Hazel Park business listing Be the first listing in Hazel Park Common questionsWhat is the postcode for Hazel Park?Hazel Park, VIC has the postcode 3966.What state is Hazel Park in?Hazel Park is in Victoria (VIC).Does postcode 3966 cover more than one suburb?Yes. Postcode 3966 covers 3 localities, so the postcode alone does not identify Hazel Park. Browse other postcodes in Victoria, or widen the search to every Australian postcode.