Home Postcode finder SA Parawa Parawa postcode SA Parawa is a locality in South Australia covered by postcode 5203. Postcode 5203 State or territory South Australia (SA) Region Adelaide Add a free Parawa business listing Be the first listing in Parawa Common questionsWhat is the postcode for Parawa?Parawa, SA has the postcode 5203.What state is Parawa in?Parawa is in South Australia (SA).Does postcode 5203 cover more than one suburb?Yes. Postcode 5203 covers 6 localities, so the postcode alone does not identify Parawa. Browse other postcodes in South Australia, or widen the search to every Australian postcode.