Home Postcode finder SA Beaumont Beaumont postcode SA Beaumont is a locality in South Australia covered by postcode 5066. Postcode 5066 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Beaumont business listing Be the first listing in Beaumont Common questionsWhat is the postcode for Beaumont?Beaumont, SA has the postcode 5066.What state is Beaumont in?Beaumont is in South Australia (SA).Does postcode 5066 cover more than one suburb?Yes. Postcode 5066 covers 7 localities, so the postcode alone does not identify Beaumont. Browse other postcodes in South Australia, or widen the search to every Australian postcode.