Home Postcode finder SA Ngarkat Ngarkat postcode SA Ngarkat is a locality in South Australia covered by postcode 5302. Postcode 5302 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Ngarkat business listing Be the first listing in Ngarkat Common questionsWhat is the postcode for Ngarkat?Ngarkat, SA has the postcode 5302.What state is Ngarkat in?Ngarkat is in South Australia (SA).Does postcode 5302 cover more than one suburb?Yes. Postcode 5302 covers 2 localities, so the postcode alone does not identify Ngarkat. Browse other postcodes in South Australia, or widen the search to every Australian postcode.