Home Postcodes by state NSW 2073 Postcode 2073 2073 is the postcode for 2 localities in NSW: Pymble and West Pymble. Localities with postcode 2073PymbleNSWWest PymbleNSW Postcode 2073 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 2072 · Postcode 2074