Home Postcodes by state VIC 3775 Postcode 3775 3775 is the postcode for 5 localities in VIC: Christmas Hills, Dixons Creek, Steels Creek, Tarrawarra and Yarra Glen. Localities with postcode 3775Christmas HillsVICDixons CreekVICSteels CreekVICTarrawarraVICYarra GlenVIC Postcode 3775 State or territory Victoria (VIC) Localities 5 Council area Nillumbik; Yarra Ranges Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3770 · Postcode 3777