Home Postcodes by state VIC 3712 Postcode 3712 3712 is the postcode for 2 localities in VIC: Rubicon and Thornton. Localities with postcode 3712RubiconVICThorntonVIC Postcode 3712 State or territory Victoria (VIC) Localities 2 Council area Murrindindi Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3711 · Postcode 3713