Home Postcode finder VIC Kulwin Kulwin postcode VIC Kulwin is a locality in Victoria covered by postcode 3490. Postcode 3490 State or territory Victoria (VIC) Region Vic Far Country Add a free Kulwin business listing Be the first listing in Kulwin Common questionsWhat is the postcode for Kulwin?Kulwin, VIC has the postcode 3490.What state is Kulwin in?Kulwin is in Victoria (VIC).Does postcode 3490 cover more than one suburb?Yes. Postcode 3490 covers 8 localities, so the postcode alone does not identify Kulwin. Browse other postcodes in Victoria, or widen the search to every Australian postcode.