Home Postcode finder NSW Belltrees Belltrees postcode NSW Belltrees is a locality in New South Wales covered by postcode 2337. Postcode 2337 State or territory New South Wales (NSW) Region Hunter Add a free Belltrees business listing More business listings in Belltrees Businesses in BelltreesBelltrees Public SchoolMoonan Flat Rd · 02 65461148 Common questionsWhat is the postcode for Belltrees?Belltrees, NSW has the postcode 2337.What state is Belltrees in?Belltrees is in New South Wales (NSW).Does postcode 2337 cover more than one suburb?Yes. Postcode 2337 covers 25 localities, so the postcode alone does not identify Belltrees. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.