Home Postcode finder SA Boconnoc Park Boconnoc Park postcode SA Boconnoc Park is a locality in South Australia covered by postcode 5453. Postcode 5453 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Boconnoc Park business listing Be the first listing in Boconnoc Park Common questionsWhat is the postcode for Boconnoc Park?Boconnoc Park, SA has the postcode 5453.What state is Boconnoc Park in?Boconnoc Park is in South Australia (SA).Does postcode 5453 cover more than one suburb?Yes. Postcode 5453 covers 16 localities, so the postcode alone does not identify Boconnoc Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.