Home Postcode finder SA Cockatoo Valley Cockatoo Valley postcode SA Cockatoo Valley 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 Cockatoo Valley business listing More business listings in Cockatoo Valley Businesses in Cockatoo ValleySandy Creek Primary SchoolDavies Rd · 08 85244164 Common questionsWhat is the postcode for Cockatoo Valley?Cockatoo Valley, SA has the postcode 5351.What state is Cockatoo Valley in?Cockatoo Valley 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 Cockatoo Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.