Home Postcodes by state VIC 3892 Postcode 3892 3892 is the postcode for Mallacoota, VIC. Localities with postcode 3892MallacootaVIC Postcode 3892 State or territory Victoria (VIC) Localities 1 Council area East Gippsland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3891 · Postcode 3893