Must be a fresh number judging by time of these messages. Just interrupted my lunch, making me think it was my wife calling. Don't answer unknown numbers. If it's legit they will leave a message. I have found these calls dropped off dramatically since I stopped answering a couple of years ago. I move each new number into my contact list with "No RIng" option selected. Have 35 such numbers.
Called at 9:30a PT, no message, caller ID said Louisiana, blocked. If anyone can find the source of this call or calls like these, I say we pay them a visit.
They are really busy making calls; I got a call around 11:40 a.m. CST February 8, 2016. Saw that they have called quite a few people. I have put them on my Auto Reject list on my cell phone. Sounds like a spam.