Home Postcode finder WA North Stirlings North Stirlings postcode WA North Stirlings is a locality in Western Australia covered by postcode 6338. Postcode 6338 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free North Stirlings business listing Be the first listing in North Stirlings Common questionsWhat is the postcode for North Stirlings?North Stirlings, WA has the postcode 6338.What state is North Stirlings in?North Stirlings is in Western Australia (WA).Does postcode 6338 cover more than one suburb?Yes. Postcode 6338 covers 9 localities, so the postcode alone does not identify North Stirlings. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.