Home Postcode finder SA Blinman Blinman postcode SA Blinman is a locality in South Australia covered by postcode 5730. Postcode 5730 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Blinman business listing Be the first listing in Blinman Common questionsWhat is the postcode for Blinman?Blinman, SA has the postcode 5730.What state is Blinman in?Blinman is in South Australia (SA).Does postcode 5730 cover more than one suburb?Yes. Postcode 5730 covers 3 localities, so the postcode alone does not identify Blinman. Browse other postcodes in South Australia, or widen the search to every Australian postcode.