Home Postcodes by state NSW 2485 Postcode 2485 2485 is the postcode for 2 localities in NSW: Tweed Heads and Tweed Heads West. Localities with postcode 2485Tweed HeadsNSWTweed Heads WestNSW Postcode 2485 State or territory New South Wales (NSW) Localities 2 Council area Tweed Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2484 · Postcode 2486