Home Postcodes by state NSW 2663 Postcode 2663 2663 is the postcode for 5 localities in NSW: Erin Vale, Eurongilly, Junee, Marinna and Wantiool. Localities with postcode 2663Erin ValeNSWEurongillyNSWJuneeNSWMarinnaNSWWantioolNSW Postcode 2663 State or territory New South Wales (NSW) Localities 5 Council area Junee Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2661 · Postcode 2665