Home Postcodes by state TAS 7209 Postcode 7209 7209 is the postcode for 2 localities in TAS: Ross and Tooms Lake. Localities with postcode 7209RossTASTooms LakeTAS Postcode 7209 State or territory Tasmania (TAS) Localities 2 Council area Northern Midlands Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 7190 · Postcode 7210