Home Postcodes by state VIC 3161 Postcode 3161 3161 is the postcode for 2 localities in VIC: Caulfield Junction and Caulfield North. Localities with postcode 3161Caulfield JunctionVICCaulfield NorthVIC Postcode 3161 State or territory Victoria (VIC) Localities 2 Council area Glen Eira Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3160 · Postcode 3162