Home Postcode finder SA Willalooka Willalooka postcode SA Willalooka is a locality in South Australia covered by postcode 5267. Postcode 5267 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Willalooka business listing Be the first listing in Willalooka Common questionsWhat is the postcode for Willalooka?Willalooka, SA has the postcode 5267.What state is Willalooka in?Willalooka is in South Australia (SA).Does postcode 5267 cover more than one suburb?Yes. Postcode 5267 covers 12 localities, so the postcode alone does not identify Willalooka. Browse other postcodes in South Australia, or widen the search to every Australian postcode.