Home Postcode finder NSW Woko Woko postcode NSW Woko is a locality in New South Wales covered by postcode 2422. Postcode 2422 State or territory New South Wales (NSW) Region Hunter Add a free Woko business listing Be the first listing in Woko Common questionsWhat is the postcode for Woko?Woko, NSW has the postcode 2422.What state is Woko in?Woko is in New South Wales (NSW).Does postcode 2422 cover more than one suburb?Yes. Postcode 2422 covers 45 localities, so the postcode alone does not identify Woko. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.