Home Postcodes by state VIC 3698 Postcode 3698 3698 is the postcode for Tawonga South, VIC. Localities with postcode 3698Tawonga SouthVIC Postcode 3698 State or territory Victoria (VIC) Localities 1 Council area Alpine Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3697 · Postcode 3699