Home Postcode finder VIC Wyuna East Wyuna East postcode VIC Wyuna East is a locality in Victoria covered by postcode 3620. Postcode 3620 State or territory Victoria (VIC) Region Vic Far Country Add a free Wyuna East business listing Be the first listing in Wyuna East Common questionsWhat is the postcode for Wyuna East?Wyuna East, VIC has the postcode 3620.What state is Wyuna East in?Wyuna East 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 East. Browse other postcodes in Victoria, or widen the search to every Australian postcode.