Home Postcode finder NSW Cumbo Cumbo postcode NSW Cumbo is a locality in New South Wales covered by postcode 2850. Postcode 2850 State or territory New South Wales (NSW) Region NSW Country West Add a free Cumbo business listing Be the first listing in Cumbo Common questionsWhat is the postcode for Cumbo?Cumbo, NSW has the postcode 2850.What state is Cumbo in?Cumbo is in New South Wales (NSW).Does postcode 2850 cover more than one suburb?Yes. Postcode 2850 covers 77 localities, so the postcode alone does not identify Cumbo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.