Home Postcode finder VIC Wyuna Wyuna postcode VIC Wyuna is a locality in Victoria covered by postcode 3620. Postcode 3620 State or territory Victoria (VIC) Region Vic Far Country Add a free Wyuna business listing Be the first listing in Wyuna Common questionsWhat is the postcode for Wyuna?Wyuna, VIC has the postcode 3620.What state is Wyuna in?Wyuna is in Victoria (VIC).Does postcode 3620 cover more than one suburb?Yes. Postcode 3620 covers 7 localities, so the postcode alone does not identify Wyuna. Browse other postcodes in Victoria, or widen the search to every Australian postcode.