Home Postcodes by state TAS 7470 Postcode 7470 7470 is the postcode for Rosebery, TAS. Localities with postcode 7470RoseberyTAS Postcode 7470 State or territory Tasmania (TAS) Localities 1 Council area West Coast Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 7469