Home Postcode finder VIC Johanna Johanna postcode VIC Johanna is a locality in Victoria covered by postcode 3238. Postcode 3238 State or territory Victoria (VIC) Region Vic Far Country Add a free Johanna business listing Be the first listing in Johanna Common questionsWhat is the postcode for Johanna?Johanna, VIC has the postcode 3238.What state is Johanna in?Johanna is in Victoria (VIC).Does postcode 3238 cover more than one suburb?Yes. Postcode 3238 covers 4 localities, so the postcode alone does not identify Johanna. Browse other postcodes in Victoria, or widen the search to every Australian postcode.