Home Postcode finder NSW Greengrove Greengrove postcode NSW Greengrove 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 Greengrove business listing Be the first listing in Greengrove Common questionsWhat is the postcode for Greengrove?Greengrove, NSW has the postcode 2250.What state is Greengrove in?Greengrove 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 Greengrove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.