Home Postcodes by state NSW 2517 Postcode 2517 2517 is the postcode for 3 localities in NSW: Russell Vale, Woonona and Woonona East. Localities with postcode 2517Russell ValeNSWWoononaNSWWoonona EastNSW Postcode 2517 State or territory New South Wales (NSW) Localities 3 Council area Wollongong Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2516 · Postcode 2518