Home Postcode finder NSW Big Yengo Big Yengo postcode NSW Big Yengo is a locality in New South Wales covered by postcode 2330. Postcode 2330 State or territory New South Wales (NSW) Region Hunter Add a free Big Yengo business listing Be the first listing in Big Yengo Common questionsWhat is the postcode for Big Yengo?Big Yengo, NSW has the postcode 2330.What state is Big Yengo in?Big Yengo is in New South Wales (NSW).Does postcode 2330 cover more than one suburb?Yes. Postcode 2330 covers 63 localities, so the postcode alone does not identify Big Yengo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.