Home Postcode finder SA Dudley West Dudley West postcode SA Dudley West is a locality in South Australia covered by postcode 5222. Postcode 5222 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Dudley West business listing Be the first listing in Dudley West Common questionsWhat is the postcode for Dudley West?Dudley West, SA has the postcode 5222.What state is Dudley West in?Dudley West is in South Australia (SA).Does postcode 5222 cover more than one suburb?Yes. Postcode 5222 covers 17 localities, so the postcode alone does not identify Dudley West. Browse other postcodes in South Australia, or widen the search to every Australian postcode.