Home Postcodes by state TAS 7017 Postcode 7017 7017 is the postcode for 6 localities in TAS: Grasstree Hill, Honeywood, Old Beach, Otago, Risdon and Tea Tree. Localities with postcode 7017Grasstree HillTASHoneywoodTASOld BeachTASOtagoTASRisdonTASTea TreeTAS Postcode 7017 State or territory Tasmania (TAS) Localities 6 Council area Clarence; Brighton; Mainly Brighton, partly Southern Midlands Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 7016 · Postcode 7018