Home Postcode finder VIC Hawthorn North Hawthorn North postcode VIC Hawthorn North is a locality in Victoria covered by postcode 3122. Postcode 3122 State or territory Victoria (VIC) Region Hawthorn Add a free Hawthorn North business listing Be the first listing in Hawthorn North Common questionsWhat is the postcode for Hawthorn North?Hawthorn North, VIC has the postcode 3122.What state is Hawthorn North in?Hawthorn North is in Victoria (VIC).Does postcode 3122 cover more than one suburb?Yes. Postcode 3122 covers 5 localities, so the postcode alone does not identify Hawthorn North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.