Home Postcode finder WA Donnelly River Donnelly River postcode WA Donnelly River is a locality in Western Australia covered by postcode 6258. Postcode 6258 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Donnelly River business listing Be the first listing in Donnelly River Common questionsWhat is the postcode for Donnelly River?Donnelly River, WA has the postcode 6258.What state is Donnelly River in?Donnelly River is in Western Australia (WA).Does postcode 6258 cover more than one suburb?Yes. Postcode 6258 covers 22 localities, so the postcode alone does not identify Donnelly River. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.