Home Postcodes by state NSW 2519 Postcode 2519 2519 is the postcode for 5 localities in NSW: Balgownie, Fairy Meadow, Fernhill, Mount Ousley and Mount Pleasant. Localities with postcode 2519BalgownieNSWFairy MeadowNSWFernhillNSWMount OusleyNSWMount PleasantNSW Postcode 2519 State or territory New South Wales (NSW) Localities 5 Council area Wollongong Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2518 · Postcode 2525