Didn't answer, left no message, blocked them. From comments above it sounds like a scam.
Other
Recent comments:
16
Mar 31, 2017
Called. Left no Message. Blocked.
Other
17
Mar 31, 2017
Called, left no message.
Other
18
Mar 31, 2017
My phone ID showed "Los Angeles, CA" but it does not mean anything, it could be from the other side of the world. As usual with unfamiliar numbers, I did not answer, they left no message. Another scammer.