Home Postcode finder SA Mount Templeton Mount Templeton postcode SA Mount Templeton is a locality in South Australia covered by postcode 5461. Postcode 5461 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Mount Templeton business listing Be the first listing in Mount Templeton Common questionsWhat is the postcode for Mount Templeton?Mount Templeton, SA has the postcode 5461.What state is Mount Templeton in?Mount Templeton is in South Australia (SA).Does postcode 5461 cover more than one suburb?Yes. Postcode 5461 covers 13 localities, so the postcode alone does not identify Mount Templeton. Browse other postcodes in South Australia, or widen the search to every Australian postcode.