Home Postcode finder NSW Upper Karuah River Upper Karuah River postcode NSW Upper Karuah River is a locality in New South Wales covered by postcode 2415. Postcode 2415 State or territory New South Wales (NSW) Region Hunter Add a free Upper Karuah River business listing Be the first listing in Upper Karuah River Common questionsWhat is the postcode for Upper Karuah River?Upper Karuah River, NSW has the postcode 2415.What state is Upper Karuah River in?Upper Karuah River is in New South Wales (NSW).Does postcode 2415 cover more than one suburb?Yes. Postcode 2415 covers 5 localities, so the postcode alone does not identify Upper Karuah River. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.