Home Postcodes by state VIC 3122 Postcode 3122 3122 is the postcode for 5 localities in VIC: Auburn South, Glenferrie South, Hawthorn, Hawthorn North and Hawthorn West. Localities with postcode 3122Auburn SouthVICGlenferrie SouthVICHawthornVICHawthorn NorthVICHawthorn WestVIC Postcode 3122 State or territory Victoria (VIC) Localities 5 Council area Boroondara Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3121 · Postcode 3123