This was a phishing robo call. I get a lot of these calls every day, either on my landline or cell phone number. It's always the same kind of call but rarely from the same number. When I search the web I find that many other people are getting the same call from the same number at almost the same time. I can't ask them to stop calling because it's a robo call.
Got a call from this number, caller ID indicates OK, USA but no name. Nobody on the line and no message so I tried to look it up.