Home Postcodes by state TAS 7151 Postcode 7151 7151 is the postcode for 5 localities in TAS: Casey, Davis, Macquarie, Macquarie Island and Mawson. Localities with postcode 7151CaseyTASDavisTASMacquarieTASMacquarie IslandTASMawsonTAS Postcode 7151 State or territory Tasmania (TAS) Localities 5 Postcode 7150 · Postcode 7155