Who called from 9194047660

Called on December 6, 2014 at 5:24 pm.  Caller Id said Customer service.  No answer, no message.

Called on 12/8/14 at 330pm, no message. CID stated Customer Service.

Called on December 13. Caller ID said Customer Service. I picked up the phone, said “Hello” at least three times but got no response.

Called on December 13 at 6:23 pm.  Caller ID said Customer Service.  I did not answer and they left no message.

C
ID said, ''Customer Service."  I didn't know the number--and I certainly wasn't going to answer one that called at 1.03 AM!
No message left.