Home Postcode finder SA Thrington Thrington postcode SA Thrington is a locality in South Australia covered by postcode 5552. Postcode 5552 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Thrington business listing Be the first listing in Thrington Common questionsWhat is the postcode for Thrington?Thrington, SA has the postcode 5552.What state is Thrington in?Thrington is in South Australia (SA).Does postcode 5552 cover more than one suburb?Yes. Postcode 5552 covers 4 localities, so the postcode alone does not identify Thrington. Browse other postcodes in South Australia, or widen the search to every Australian postcode.