Home Postcode finder SA Angas Plains Angas Plains postcode SA Angas Plains 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 Angas Plains business listing Be the first listing in Angas Plains Common questionsWhat is the postcode for Angas Plains?Angas Plains, SA has the postcode 5255.What state is Angas Plains in?Angas Plains 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 Angas Plains. Browse other postcodes in South Australia, or widen the search to every Australian postcode.