Home Postcodes by state NSW 2071 Postcode 2071 2071 is the postcode for 2 localities in NSW: East Killara and Killara. Localities with postcode 2071East KillaraNSWKillaraNSW Postcode 2071 State or territory New South Wales (NSW) Localities 2 Council area Ku-ring-gai Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2070 · Postcode 2072