Home Postcodes by state NSW 2797 Postcode 2797 2797 is the postcode for 2 localities in NSW: Garland and Lyndhurst. Localities with postcode 2797GarlandNSWLyndhurstNSW Postcode 2797 State or territory New South Wales (NSW) Localities 2 Council area Blayney Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2795 · Postcode 2798