This number calls me all the time and never leaves a message.  There is no name associated with it, only the city Mendocino CA.  I never pick up when I don't know who's calling, so I have no more to add.  I keep checking this site to see if they are bothering anybody else, but it never shows up.  My phone will block 250 numbers and I have had to delete about 50 in order to keep up with the newer pests.  So, I've blocked about 300 in a few years.