Home Postcode finder VIC Hiawatha Hiawatha postcode VIC Hiawatha is a locality in Victoria covered by postcode 3971. Postcode 3971 State or territory Victoria (VIC) Region Vic Far Country Add a free Hiawatha business listing Be the first listing in Hiawatha Common questionsWhat is the postcode for Hiawatha?Hiawatha, VIC has the postcode 3971.What state is Hiawatha in?Hiawatha is in Victoria (VIC).Does postcode 3971 cover more than one suburb?Yes. Postcode 3971 covers 21 localities, so the postcode alone does not identify Hiawatha. Browse other postcodes in Victoria, or widen the search to every Australian postcode.