Home Postcode finder SA Pine Creek Pine Creek postcode SA Pine Creek is a locality in South Australia covered by postcode 5419. Postcode 5419 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Pine Creek business listing Be the first listing in Pine Creek Common questionsWhat is the postcode for Pine Creek?Pine Creek, SA has the postcode 5419.What state is Pine Creek in?Pine Creek is in South Australia (SA).Does postcode 5419 cover more than one suburb?Yes. Postcode 5419 covers 7 localities, so the postcode alone does not identify Pine Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.