Home Postcode finder SA Wild Dog Valley Wild Dog Valley postcode SA Wild Dog Valley is a locality in South Australia covered by postcode 5271. Postcode 5271 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wild Dog Valley business listing Be the first listing in Wild Dog Valley Common questionsWhat is the postcode for Wild Dog Valley?Wild Dog Valley, SA has the postcode 5271.What state is Wild Dog Valley in?Wild Dog Valley is in South Australia (SA).Does postcode 5271 cover more than one suburb?Yes. Postcode 5271 covers 18 localities, so the postcode alone does not identify Wild Dog Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.