Home Postcodes by state VIC 3025 Postcode 3025 3025 is the postcode for 3 localities in VIC: Altona East, Altona Gate and Altona North. Localities with postcode 3025Altona EastVICAltona GateVICAltona NorthVIC Postcode 3025 State or territory Victoria (VIC) Localities 3 Council area Hobsons Bay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3024 · Postcode 3026