Home Postcodes by state VIC 3902 Postcode 3902 3902 is the postcode for 2 localities in VIC: Bumberrah and Johnsonville. Localities with postcode 3902BumberrahVICJohnsonvilleVIC Postcode 3902 State or territory Victoria (VIC) Localities 2 Council area East Gippsland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3900 · Postcode 3903