Home Postcode finder SA Hansborough Hansborough postcode SA Hansborough is a locality in South Australia covered by postcode 5374. Postcode 5374 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Hansborough business listing Be the first listing in Hansborough Common questionsWhat is the postcode for Hansborough?Hansborough, SA has the postcode 5374.What state is Hansborough in?Hansborough is in South Australia (SA).Does postcode 5374 cover more than one suburb?Yes. Postcode 5374 covers 15 localities, so the postcode alone does not identify Hansborough. Browse other postcodes in South Australia, or widen the search to every Australian postcode.