I have gotten several calls from this number in the past month or so. When I answer, they're is no response. I can tell there is someone on the line, though. Then when I call back, it says there is an error.

Stalker call. Caller is obviously some passive aggressive psychopath that was let out from the psych ward too early. Already blocked number. But still reporting 504-273-6279 to FCC to investigate caller. And also reporting this VERY SAD psycho to local authorities to, the police and ITAC unit to track caller locally.

Disturbing

This number calls all the time and my secretary will answer and asks to take a message and as soon as she says secretary they hang up.  No reputable company would do that.  They would leave a message for you to call them back

After reading your comments, I have added this number to my block list, I receive disturbing calls from them daily and it is creepy. They hold the phone until I say hello, then they hang up. Whenever I try calling the number back, all it does is ring. People today are psychos and you can never bee to careful.