Home Postcode finder NSW Wilpinjong Wilpinjong postcode NSW Wilpinjong 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 Wilpinjong business listing Be the first listing in Wilpinjong Common questionsWhat is the postcode for Wilpinjong?Wilpinjong, NSW has the postcode 2850.What state is Wilpinjong in?Wilpinjong 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 Wilpinjong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.