Home Postcode finder NSW Neath Neath postcode NSW Neath is a locality in New South Wales covered by postcode 2326. Postcode 2326 State or territory New South Wales (NSW) Region Hunter Add a free Neath business listing Be the first listing in Neath Common questionsWhat is the postcode for Neath?Neath, NSW has the postcode 2326.What state is Neath in?Neath is in New South Wales (NSW).Does postcode 2326 cover more than one suburb?Yes. Postcode 2326 covers 6 localities, so the postcode alone does not identify Neath. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.