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