Home Postcode finder SA Goyder Goyder postcode SA Goyder is a locality in South Australia covered by postcode 5461. Postcode 5461 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Goyder business listing Be the first listing in Goyder Common questionsWhat is the postcode for Goyder?Goyder, SA has the postcode 5461.What state is Goyder in?Goyder is in South Australia (SA).Does postcode 5461 cover more than one suburb?Yes. Postcode 5461 covers 13 localities, so the postcode alone does not identify Goyder. Browse other postcodes in South Australia, or widen the search to every Australian postcode.