Home Postcode finder NSW King Creek King Creek postcode NSW King Creek is a locality in New South Wales covered by postcode 2446. Postcode 2446 State or territory New South Wales (NSW) Region NSW North Coast Add a free King Creek business listing Be the first listing in King Creek Common questionsWhat is the postcode for King Creek?King Creek, NSW has the postcode 2446.What state is King Creek in?King Creek is in New South Wales (NSW).Does postcode 2446 cover more than one suburb?Yes. Postcode 2446 covers 41 localities, so the postcode alone does not identify King Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.