Home Postcode finder SA Lyndoch Lyndoch postcode SA Lyndoch is a locality in South Australia covered by postcode 5351. Postcode 5351 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Lyndoch business listing More business listings in Lyndoch Businesses in LyndochBardell Excavations Pty Ltd37 King St, Lyndoch SA, Australia · 08 8524 4234Lyndoch Primary SchoolMargaret St · 08 85244172St Jakobi Lutheran SchoolLyndoch Valley Rd · 08 85244137 Common questionsWhat is the postcode for Lyndoch?Lyndoch, SA has the postcode 5351.What state is Lyndoch in?Lyndoch is in South Australia (SA).Does postcode 5351 cover more than one suburb?Yes. Postcode 5351 covers 7 localities, so the postcode alone does not identify Lyndoch. Browse other postcodes in South Australia, or widen the search to every Australian postcode.