Home Postcode finder SA Upper Hermitage Upper Hermitage postcode SA Upper Hermitage is a locality in South Australia covered by postcode 5131. Postcode 5131 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Upper Hermitage business listing Be the first listing in Upper Hermitage Common questionsWhat is the postcode for Upper Hermitage?Upper Hermitage, SA has the postcode 5131.What state is Upper Hermitage in?Upper Hermitage is in South Australia (SA).Does postcode 5131 cover more than one suburb?Yes. Postcode 5131 covers 3 localities, so the postcode alone does not identify Upper Hermitage. Browse other postcodes in South Australia, or widen the search to every Australian postcode.