I used *67 to call back. It wasn't a disconnected number as expected. There was a message with business hours which included weekends possibly as late as 11 pm. No business name is ever given. There is an opt out option asking you to leave a very detailed message. No thanks.
I will now assume this is some kind of survey. Maybe political considering the season and many other calls I've been getting. What ever the nature of the call I'm not interested in using my phone unless it's someone I choose to speak with.