Home Postcode finder SA Halbury Halbury postcode SA Halbury 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 Halbury business listing More business listings in Halbury Businesses in HalburyWalco Seed Cleaning33 Simon Road · 0407602679 Common questionsWhat is the postcode for Halbury?Halbury, SA has the postcode 5461.What state is Halbury in?Halbury 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 Halbury. Browse other postcodes in South Australia, or widen the search to every Australian postcode.