Who called from 3106902908

Several calls this afternoon from this number. Did not answer any of the calls.

Started receiving several calls a day from this number 3rd week of Feb and in conjunction also receiving calls from a number that just says 'Call'.  I never answer numbers I don't recognize but its starting to get annoying.  They call several times a day.

also received a call from that number at 2:27pm PST today.  i couldn't answer it, but when i called the number back, it was an invalid number. . .

call from los angeles ca. no message left.

Started getting these calls earlier this week.  They come several times a day. I do not answer because I do not know anyone in LA.  Finally I googled the number and found this site. Is this site for real?