Home Postcode finder VIC Wedderburn Junction Wedderburn Junction postcode VIC Wedderburn Junction is a locality in Victoria covered by postcode 3518. Postcode 3518 State or territory Victoria (VIC) Region Vic Far Country Add a free Wedderburn Junction business listing Be the first listing in Wedderburn Junction Common questionsWhat is the postcode for Wedderburn Junction?Wedderburn Junction, VIC has the postcode 3518.What state is Wedderburn Junction in?Wedderburn Junction is in Victoria (VIC).Does postcode 3518 cover more than one suburb?Yes. Postcode 3518 covers 16 localities, so the postcode alone does not identify Wedderburn Junction. Browse other postcodes in Victoria, or widen the search to every Australian postcode.