Home Postcode finder SA Stanley Stanley postcode SA Stanley is a locality in South Australia covered by postcode 5415. Postcode 5415 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Stanley business listing Be the first listing in Stanley Common questionsWhat is the postcode for Stanley?Stanley, SA has the postcode 5415.What state is Stanley in?Stanley is in South Australia (SA).Does postcode 5415 cover more than one suburb?Yes. Postcode 5415 covers 2 localities, so the postcode alone does not identify Stanley. Browse other postcodes in South Australia, or widen the search to every Australian postcode.