Home Postcode finder NSW Mullion Creek Mullion Creek postcode NSW Mullion Creek is a locality in New South Wales covered by postcode 2800. Postcode 2800 State or territory New South Wales (NSW) Region NSW Country West Add a free Mullion Creek business listing More business listings in Mullion Creek Businesses in Mullion CreekMullion Creek Public School02 63658382 Common questionsWhat is the postcode for Mullion Creek?Mullion Creek, NSW has the postcode 2800.What state is Mullion Creek in?Mullion Creek is in New South Wales (NSW).Does postcode 2800 cover more than one suburb?Yes. Postcode 2800 covers 33 localities, so the postcode alone does not identify Mullion Creek. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.