Home Postcode finder NSW North Tumbulgum North Tumbulgum postcode NSW North Tumbulgum is a locality in New South Wales covered by postcode 2490. Postcode 2490 State or territory New South Wales (NSW) Region Gold Coast Add a free North Tumbulgum business listing Be the first listing in North Tumbulgum Common questionsWhat is the postcode for North Tumbulgum?North Tumbulgum, NSW has the postcode 2490.What state is North Tumbulgum in?North Tumbulgum is in New South Wales (NSW).Does postcode 2490 cover more than one suburb?Yes. Postcode 2490 covers 2 localities, so the postcode alone does not identify North Tumbulgum. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.