Who called from 4752758606

Sound of a phone bank in backgound.  " hello" ( silence from my answering machine) "goodbye"

Automated robocall asking for business owner. Sounds like a real person but is recorded responses.

Received a call from this number on my home phone - no message as left.

Called our office after hours -- did not leave a message. Caller ID listed the number and "Greenwich CT" .