Home Postcodes by state NSW 2075 Postcode 2075 2075 is the postcode for 2 localities in NSW: St Ives and St Ives Chase. Localities with postcode 2075St IvesNSWSt Ives ChaseNSW Postcode 2075 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 2074 · Postcode 2076