Home Postcode finder SA Langhorne Creek Langhorne Creek postcode SA Langhorne Creek is a locality in South Australia covered by postcode 5255. Postcode 5255 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Langhorne Creek business listing More business listings in Langhorne Creek Businesses in Langhorne CreekEastern Fleurieu R-12 SchoolMain Rd · 08 85373145 Common questionsWhat is the postcode for Langhorne Creek?Langhorne Creek, SA has the postcode 5255.What state is Langhorne Creek in?Langhorne Creek is in South Australia (SA).Does postcode 5255 cover more than one suburb?Yes. Postcode 5255 covers 19 localities, so the postcode alone does not identify Langhorne Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.