Home Postcodes by state VIC 3147 Postcode 3147 3147 is the postcode for 2 localities in VIC: Ashburton and Ashwood. Localities with postcode 3147AshburtonVICAshwoodVIC Postcode 3147 State or territory Victoria (VIC) Localities 2 Council area Boroondara; Monash Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3146 · Postcode 3148