Home Postcode finder NSW Bouddi Bouddi postcode NSW Bouddi is a locality in New South Wales covered by postcode 2251. Postcode 2251 State or territory New South Wales (NSW) Region Gosford Add a free Bouddi business listing Be the first listing in Bouddi Common questionsWhat is the postcode for Bouddi?Bouddi, NSW has the postcode 2251.What state is Bouddi in?Bouddi is in New South Wales (NSW).Does postcode 2251 cover more than one suburb?Yes. Postcode 2251 covers 12 localities, so the postcode alone does not identify Bouddi. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.