Home Postcode finder SA Wirrega Wirrega postcode SA Wirrega 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 Wirrega business listing Be the first listing in Wirrega Common questionsWhat is the postcode for Wirrega?Wirrega, SA has the postcode 5267.What state is Wirrega in?Wirrega 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 Wirrega. Browse other postcodes in South Australia, or widen the search to every Australian postcode.