Home Postcode finder SA Fisher Fisher postcode SA Fisher is a locality in South Australia covered by postcode 5354. Postcode 5354 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Fisher business listing Be the first listing in Fisher Common questionsWhat is the postcode for Fisher?Fisher, SA has the postcode 5354.What state is Fisher in?Fisher is in South Australia (SA).Does postcode 5354 cover more than one suburb?Yes. Postcode 5354 covers 10 localities, so the postcode alone does not identify Fisher. Browse other postcodes in South Australia, or widen the search to every Australian postcode.