Home Postcode finder SA Birchmore Birchmore postcode SA Birchmore is a locality in South Australia covered by postcode 5223. Postcode 5223 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Birchmore business listing Be the first listing in Birchmore Common questionsWhat is the postcode for Birchmore?Birchmore, SA has the postcode 5223.What state is Birchmore in?Birchmore is in South Australia (SA).Does postcode 5223 cover more than one suburb?Yes. Postcode 5223 covers 30 localities, so the postcode alone does not identify Birchmore. Browse other postcodes in South Australia, or widen the search to every Australian postcode.