Home Postcode finder NSW Upsalls Creek Upsalls Creek postcode NSW Upsalls Creek is a locality in New South Wales covered by postcode 2439. Postcode 2439 State or territory New South Wales (NSW) Region NSW North Coast Add a free Upsalls Creek business listing Be the first listing in Upsalls Creek Common questionsWhat is the postcode for Upsalls Creek?Upsalls Creek, NSW has the postcode 2439.What state is Upsalls Creek in?Upsalls Creek is in New South Wales (NSW).Does postcode 2439 cover more than one suburb?Yes. Postcode 2439 covers 10 localities, so the postcode alone does not identify Upsalls Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.