Who called from 7632194199

Received a call on my cell phone.  I did not pick up, and they did not leave a message.  No ID info.

Received another call.  Same Story: I did not pick up, and they did not leave a message.  No ID info.

Get a call from this number all the time.  Comes up unknown and they never leave a message

Received a call from this number, it was a service survey from Gold Cross Ambulance/Emergency service.

Answered a call from this number and they wanted to conduct a survey re: my "local healthcare services". Um, you're calling my cell phone. Asked them to stop calling and to put me on their Do Not Call list. Also blocked them on my cell.