Home Postcode finder SA Wunkar Wunkar postcode SA Wunkar is a locality in South Australia covered by postcode 5311. Postcode 5311 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wunkar business listing Be the first listing in Wunkar Common questionsWhat is the postcode for Wunkar?Wunkar, SA has the postcode 5311.What state is Wunkar in?Wunkar is in South Australia (SA).Does postcode 5311 cover more than one suburb?Yes. Postcode 5311 covers 13 localities, so the postcode alone does not identify Wunkar. Browse other postcodes in South Australia, or widen the search to every Australian postcode.