Home Postcode finder SA Makin Makin postcode SA Makin is a locality in South Australia covered by postcode 5267. Postcode 5267 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Makin business listing Be the first listing in Makin Common questionsWhat is the postcode for Makin?Makin, SA has the postcode 5267.What state is Makin in?Makin is in South Australia (SA).Does postcode 5267 cover more than one suburb?Yes. Postcode 5267 covers 12 localities, so the postcode alone does not identify Makin. Browse other postcodes in South Australia, or widen the search to every Australian postcode.