Home Postcode finder SA Quorn Quorn postcode SA Quorn is a locality in South Australia covered by postcode 5433. Postcode 5433 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Quorn business listing More business listings in Quorn Businesses in QuornBusiness Closedw - ny272 Wigley Street, Quorn South Australia, Australia · (08) 8231 7711Business Closedw - ny272 Wigley Street, Quorn South Australia, Australia · (08) 8231 7711Pindan Tours And 4WD TrainingP.O. Box 80 · 0410 511 633 Common questionsWhat is the postcode for Quorn?Quorn, SA has the postcode 5433.What state is Quorn in?Quorn is in South Australia (SA).Does postcode 5433 cover more than one suburb?Yes. Postcode 5433 covers 6 localities, so the postcode alone does not identify Quorn. Browse other postcodes in South Australia, or widen the search to every Australian postcode.