I called back the number (07) 4980 4203 and the guy on the other line didn't mention the company name
Optus on (08) 6247 8110
I called back number (08) 6247 8110 reached IVR for Optus.
Anonymous on (02) 8330 7259
called back after missed call and the voice message said it's a charity 'you may already support...
I Called Back on (02) 9160 4320
I called back number (02) 9160 4320 it says the number I have dialed is not in service anymore.
Anonymous on (02) 8311 2579
debt collection, looking for someone else but they don't even believe you, blocked.
Anonymous on (07) 4638 7106
this number keeps calling and when i answer it just beeps every few seconds