Home Postcode finder SA Wandearah Wandearah postcode SA Wandearah is a locality in South Australia covered by postcode 5523. Postcode 5523 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wandearah business listing Be the first listing in Wandearah Common questionsWhat is the postcode for Wandearah?Wandearah, SA has the postcode 5523.What state is Wandearah in?Wandearah is in South Australia (SA).Does postcode 5523 cover more than one suburb?Yes. Postcode 5523 covers 10 localities, so the postcode alone does not identify Wandearah. Browse other postcodes in South Australia, or widen the search to every Australian postcode.