Home Postcodes by state NSW 2076 Postcode 2076 2076 is the postcode for 3 localities in NSW: Normanhurst, North Wahroonga and Wahroonga. Localities with postcode 2076NormanhurstNSWNorth WahroongaNSWWahroongaNSW Postcode 2076 State or territory New South Wales (NSW) Localities 3 Council area Hornsby; Ku-ring-gai; Mainly Ku-ring-gai, partly Hornsby Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2075 · Postcode 2077