Home Postcode finder VIC Wallup Wallup postcode VIC Wallup is a locality in Victoria covered by postcode 3401. Postcode 3401 State or territory Victoria (VIC) Region Vic Far Country Add a free Wallup business listing Be the first listing in Wallup Common questionsWhat is the postcode for Wallup?Wallup, VIC has the postcode 3401.What state is Wallup in?Wallup is in Victoria (VIC).Does postcode 3401 cover more than one suburb?Yes. Postcode 3401 covers 33 localities, so the postcode alone does not identify Wallup. Browse other postcodes in Victoria, or widen the search to every Australian postcode.