It is now 2pm and today this number has called me at 11:38, 11:44, 12:30 and 1:00. I did not pick up the phone, as I realized it was not in North America (I'm in Canada) and I was scared. I googled the country code and it appears to be a mobile phone from Angola, a Portuguese-speaking country in Africa, and the phone is from the company Unitel. I do not know more at this time. I hope they stop calling.