Home Postcode finder NSW Yerriyong Yerriyong postcode NSW Yerriyong is a locality in New South Wales covered by postcode 2540. Postcode 2540 State or territory New South Wales (NSW) Region NSW Country West Add a free Yerriyong business listing Be the first listing in Yerriyong Common questionsWhat is the postcode for Yerriyong?Yerriyong, NSW has the postcode 2540.What state is Yerriyong in?Yerriyong is in New South Wales (NSW).Does postcode 2540 cover more than one suburb?Yes. Postcode 2540 covers 68 localities, so the postcode alone does not identify Yerriyong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.