Home Postcodes by state VIC 3158 Postcode 3158 3158 is the postcode for Upwey, VIC. Localities with postcode 3158UpweyVIC Postcode 3158 State or territory Victoria (VIC) Localities 1 Council area Yarra Ranges Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3156 · Postcode 3159