Home Postcodes by state NSW 2668 Postcode 2668 2668 is the postcode for Barmedman, NSW. Localities with postcode 2668BarmedmanNSW Postcode 2668 State or territory New South Wales (NSW) Localities 1 Council area Bland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2666 · Postcode 2669