Home Postcodes by state VIC 3115 Postcode 3115 3115 is the postcode for Wonga Park, VIC. Localities with postcode 3115Wonga ParkVIC Postcode 3115 State or territory Victoria (VIC) Localities 1 Council area Mainly Manningham, partly Yarra Ranges Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3114 · Postcode 3116