Home Postcode finder SA Whites Valley Whites Valley postcode SA Whites Valley is a locality in South Australia covered by postcode 5172. Postcode 5172 State or territory South Australia (SA) Region Adelaide Add a free Whites Valley business listing More business listings in Whites Valley Businesses in Whites ValleyMorelli Bookkeeping Services300 Little Road, Whites Valley SA, Australia · (0 8) 8166 4273 Common questionsWhat is the postcode for Whites Valley?Whites Valley, SA has the postcode 5172.What state is Whites Valley in?Whites Valley is in South Australia (SA).Does postcode 5172 cover more than one suburb?Yes. Postcode 5172 covers 13 localities, so the postcode alone does not identify Whites Valley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.