Home Postcode finder VIC Archdale Junction Archdale Junction postcode VIC Archdale Junction is a locality in Victoria covered by postcode 3475. Postcode 3475 State or territory Victoria (VIC) Region Vic Far Country Add a free Archdale Junction business listing Be the first listing in Archdale Junction Common questionsWhat is the postcode for Archdale Junction?Archdale Junction, VIC has the postcode 3475.What state is Archdale Junction in?Archdale Junction is in Victoria (VIC).Does postcode 3475 cover more than one suburb?Yes. Postcode 3475 covers 7 localities, so the postcode alone does not identify Archdale Junction. Browse other postcodes in Victoria, or widen the search to every Australian postcode.