Home Postcodes by state VIC 3805 Postcode 3805 3805 is the postcode for 3 localities in VIC: Fountain Gate, Narre Warren and Narre Warren South. Localities with postcode 3805Fountain GateVICNarre WarrenVICNarre Warren SouthVIC Postcode 3805 State or territory Victoria (VIC) Localities 3 Council area Casey Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3804 · Postcode 3806