Home Postcode finder NSW Bandon Grove Bandon Grove postcode NSW Bandon Grove is a locality in New South Wales covered by postcode 2420. Postcode 2420 State or territory New South Wales (NSW) Region Hunter Add a free Bandon Grove business listing Be the first listing in Bandon Grove Common questionsWhat is the postcode for Bandon Grove?Bandon Grove, NSW has the postcode 2420.What state is Bandon Grove in?Bandon Grove is in New South Wales (NSW).Does postcode 2420 cover more than one suburb?Yes. Postcode 2420 covers 23 localities, so the postcode alone does not identify Bandon Grove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.