Home Postcode finder VIC Hilldene Hilldene postcode VIC Hilldene is a locality in Victoria covered by postcode 3660. Postcode 3660 State or territory Victoria (VIC) Region Vic Far Country Add a free Hilldene business listing Be the first listing in Hilldene Common questionsWhat is the postcode for Hilldene?Hilldene, VIC has the postcode 3660.What state is Hilldene in?Hilldene is in Victoria (VIC).Does postcode 3660 cover more than one suburb?Yes. Postcode 3660 covers 10 localities, so the postcode alone does not identify Hilldene. Browse other postcodes in Victoria, or widen the search to every Australian postcode.