I do not answer calls  from this #. I looked it up and it is considered a "spoof" #. I have received several calls within the last week. I have on my answering machine "spoof calls not accepted". This # has been doing this for a week or more. they will call two rings sometimes and then later call to see if you will pick up your phone. I have reset my phone to two rings. It has two identical same # 539 302 3752.