Home Postcode finder SA Cape Borda Cape Borda postcode SA Cape Borda 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 Cape Borda business listing Be the first listing in Cape Borda Common questionsWhat is the postcode for Cape Borda?Cape Borda, SA has the postcode 5223.What state is Cape Borda in?Cape Borda 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 Cape Borda. Browse other postcodes in South Australia, or widen the search to every Australian postcode.