Home Postcode finder NSW Grattai Grattai postcode NSW Grattai is a locality in New South Wales covered by postcode 2850. Postcode 2850 State or territory New South Wales (NSW) Region NSW Country West Add a free Grattai business listing Be the first listing in Grattai Common questionsWhat is the postcode for Grattai?Grattai, NSW has the postcode 2850.What state is Grattai in?Grattai is in New South Wales (NSW).Does postcode 2850 cover more than one suburb?Yes. Postcode 2850 covers 77 localities, so the postcode alone does not identify Grattai. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.