Home Postcodes by state NSW Gunderbooka Gunderbooka postcode NSW Gunderbooka is a locality in New South Wales covered by postcode 2840. Postcode 2840 State or territory New South Wales (NSW) Region NSW Country West Council area Bourke Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Gunderbooka business listing Be the first listing in Gunderbooka Also in postcode 2840BourkeNSW 2840EnngoniaNSW 2840Fords BridgeNSW 2840GumbalieNSW 2840HungerfordNSW 2840LouthNSW 2840North BourkeNSW 2840TilpaNSW 2840WanaaringNSW 2840YantabullaNSW 2840 Common questionsWhat is the postcode for Gunderbooka?Gunderbooka, NSW has the postcode 2840.What state is Gunderbooka in?Gunderbooka is in New South Wales (NSW).What council is Gunderbooka in?Gunderbooka is in the Bourke local government area.Does postcode 2840 cover more than one suburb?Yes. Postcode 2840 covers 11 localities, so the postcode alone does not identify Gunderbooka. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.