Home Postcodes by state VIC 3964 Postcode 3964 3964 is the postcode for Port Franklin, VIC. Localities with postcode 3964Port FranklinVIC Postcode 3964 State or territory Victoria (VIC) Localities 1 Council area South Gippsland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3962 · Postcode 3965