Home Postcodes by state VIC 3923 Postcode 3923 3923 is the postcode for Rhyll, VIC. Localities with postcode 3923RhyllVIC Postcode 3923 State or territory Victoria (VIC) Localities 1 Council area Bass Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3922 · Postcode 3925