Home Postcode finder SA Warburto Warburto postcode SA Warburto is a locality in South Australia covered by postcode 5556. Postcode 5556 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Warburto business listing Be the first listing in Warburto Common questionsWhat is the postcode for Warburto?Warburto, SA has the postcode 5556.What state is Warburto in?Warburto is in South Australia (SA).Does postcode 5556 cover more than one suburb?Yes. Postcode 5556 covers 4 localities, so the postcode alone does not identify Warburto. Browse other postcodes in South Australia, or widen the search to every Australian postcode.