Home Postcode finder NSW Karuah Karuah postcode NSW Karuah is a locality in New South Wales covered by postcode 2324. Postcode 2324 State or territory New South Wales (NSW) Region Hunter Add a free Karuah business listing More business listings in Karuah Businesses in KaruahKaruah Public SchoolTarean St · 02 49975341 Common questionsWhat is the postcode for Karuah?Karuah, NSW has the postcode 2324.What state is Karuah in?Karuah is in New South Wales (NSW).Does postcode 2324 cover more than one suburb?Yes. Postcode 2324 covers 22 localities, so the postcode alone does not identify Karuah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.