Home Postcode finder NSW Numbaa Numbaa postcode NSW Numbaa is a locality in New South Wales covered by postcode 2540. Postcode 2540 State or territory New South Wales (NSW) Region NSW Country West Add a free Numbaa business listing Be the first listing in Numbaa Common questionsWhat is the postcode for Numbaa?Numbaa, NSW has the postcode 2540.What state is Numbaa in?Numbaa is in New South Wales (NSW).Does postcode 2540 cover more than one suburb?Yes. Postcode 2540 covers 68 localities, so the postcode alone does not identify Numbaa. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.