Home Postcodes by state VIC 3992 Postcode 3992 3992 is the postcode for 4 localities in VIC: Blackwood Forest, Dalyston, Ryanston and West Creek. Localities with postcode 3992Blackwood ForestVICDalystonVICRyanstonVICWest CreekVIC Postcode 3992 State or territory Victoria (VIC) Localities 4 Council area Bass Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3991 · Postcode 3995