Home Postcode finder SA Direk Direk postcode SA Direk is a locality in South Australia covered by postcode 5110. Postcode 5110 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Direk business listing Be the first listing in Direk Common questionsWhat is the postcode for Direk?Direk, SA has the postcode 5110.What state is Direk in?Direk is in South Australia (SA).Does postcode 5110 cover more than one suburb?Yes. Postcode 5110 covers 6 localities, so the postcode alone does not identify Direk. Browse other postcodes in South Australia, or widen the search to every Australian postcode.