Home Postcode finder SA Yeelanna Yeelanna postcode SA Yeelanna is a locality in South Australia covered by postcode 5632. Postcode 5632 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Yeelanna business listing Be the first listing in Yeelanna Common questionsWhat is the postcode for Yeelanna?Yeelanna, SA has the postcode 5632.What state is Yeelanna in?Yeelanna is in South Australia (SA).Does postcode 5632 cover more than one suburb?Yes. Postcode 5632 covers 2 localities, so the postcode alone does not identify Yeelanna. Browse other postcodes in South Australia, or widen the search to every Australian postcode.