Home Postcode finder SA Bethany Bethany postcode SA Bethany is a locality in South Australia covered by postcode 5352. Postcode 5352 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Bethany business listing Be the first listing in Bethany Common questionsWhat is the postcode for Bethany?Bethany, SA has the postcode 5352.What state is Bethany in?Bethany is in South Australia (SA).Does postcode 5352 cover more than one suburb?Yes. Postcode 5352 covers 7 localities, so the postcode alone does not identify Bethany. Browse other postcodes in South Australia, or widen the search to every Australian postcode.