Home Postcode finder SA Yanyarrie Yanyarrie postcode SA Yanyarrie is a locality in South Australia covered by postcode 5432. Postcode 5432 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Yanyarrie business listing Be the first listing in Yanyarrie Common questionsWhat is the postcode for Yanyarrie?Yanyarrie, SA has the postcode 5432.What state is Yanyarrie in?Yanyarrie is in South Australia (SA).Does postcode 5432 cover more than one suburb?Yes. Postcode 5432 covers 5 localities, so the postcode alone does not identify Yanyarrie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.