Home Postcode finder SA Katarapko Katarapko postcode SA Katarapko is a locality in South Australia covered by postcode 5343. Postcode 5343 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Katarapko business listing Be the first listing in Katarapko Common questionsWhat is the postcode for Katarapko?Katarapko, SA has the postcode 5343.What state is Katarapko in?Katarapko is in South Australia (SA).Does postcode 5343 cover more than one suburb?Yes. Postcode 5343 covers 6 localities, so the postcode alone does not identify Katarapko. Browse other postcodes in South Australia, or widen the search to every Australian postcode.