Home Postcodes by state TAS 7020 Postcode 7020 7020 is the postcode for 2 localities in TAS: Clifton Beach and Sandford. Localities with postcode 7020Clifton BeachTASSandfordTAS Postcode 7020 State or territory Tasmania (TAS) Localities 2 Council area Clarence Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 7019 · Postcode 7021