Home Postcode finder VIC Tresco West Tresco West postcode VIC Tresco West is a locality in Victoria covered by postcode 3584. Postcode 3584 State or territory Victoria (VIC) Region Vic Far Country Add a free Tresco West business listing Be the first listing in Tresco West Common questionsWhat is the postcode for Tresco West?Tresco West, VIC has the postcode 3584.What state is Tresco West in?Tresco West is in Victoria (VIC).Does postcode 3584 cover more than one suburb?Yes. Postcode 3584 covers 2 localities, so the postcode alone does not identify Tresco West. Browse other postcodes in Victoria, or widen the search to every Australian postcode.