Home Postcode finder NSW Webbers Creek Webbers Creek postcode NSW Webbers Creek is a locality in New South Wales covered by postcode 2421. Postcode 2421 State or territory New South Wales (NSW) Region Hunter Add a free Webbers Creek business listing Be the first listing in Webbers Creek Common questionsWhat is the postcode for Webbers Creek?Webbers Creek, NSW has the postcode 2421.What state is Webbers Creek in?Webbers Creek is in New South Wales (NSW).Does postcode 2421 cover more than one suburb?Yes. Postcode 2421 covers 7 localities, so the postcode alone does not identify Webbers Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.