Home Postcode finder NSW Mangrove Creek Mangrove Creek postcode NSW Mangrove Creek is a locality in New South Wales covered by postcode 2250. Postcode 2250 State or territory New South Wales (NSW) Region Gosford Add a free Mangrove Creek business listing Be the first listing in Mangrove Creek Common questionsWhat is the postcode for Mangrove Creek?Mangrove Creek, NSW has the postcode 2250.What state is Mangrove Creek in?Mangrove Creek is in New South Wales (NSW).Does postcode 2250 cover more than one suburb?Yes. Postcode 2250 covers 34 localities, so the postcode alone does not identify Mangrove Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.