Home Postcode finder SA Hindmarsh Valley Hindmarsh Valley postcode SA Hindmarsh Valley is a locality in South Australia covered by postcode 5211. Postcode 5211 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Hindmarsh Valley business listing Be the first listing in Hindmarsh Valley Common questionsWhat is the postcode for Hindmarsh Valley?Hindmarsh Valley, SA has the postcode 5211.What state is Hindmarsh Valley in?Hindmarsh Valley is in South Australia (SA).Does postcode 5211 cover more than one suburb?Yes. Postcode 5211 covers 12 localities, so the postcode alone does not identify Hindmarsh Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.