Home Postcode finder NSW Whittingham Whittingham postcode NSW Whittingham 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 Whittingham business listing Be the first listing in Whittingham Common questionsWhat is the postcode for Whittingham?Whittingham, NSW has the postcode 2330.What state is Whittingham in?Whittingham 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 Whittingham. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.