Home Postcode finder SA Gillman Gillman postcode SA Gillman is a locality in South Australia covered by postcode 5013. Postcode 5013 State or territory South Australia (SA) Region Adelaide Add a free Gillman business listing Be the first listing in Gillman Common questionsWhat is the postcode for Gillman?Gillman, SA has the postcode 5013.What state is Gillman in?Gillman is in South Australia (SA).Does postcode 5013 cover more than one suburb?Yes. Postcode 5013 covers 6 localities, so the postcode alone does not identify Gillman. Browse other postcodes in South Australia, or widen the search to every Australian postcode.