Who called from 5109441841

No ID. No message. Blocked.

Called Feb 9th 2017 at 4:03pm. Called ID said East San Francisco Bay Area. iPhone didn't give me the option to Decline the call. I didn't answer. They didn't leave a message.

Called and i didn't recognize the number so i ignored it - called by the number on my work phone and it was disconnected
SPAM

They called again today. Caller ID says Oakland CA. At work we have received multiple calls from this number. I answered the call and silence, so I say hello again and still nothing. Then they hang up.

Getting a bunch of phony Oakland, CA calls. Didn't leave a message so Blocked.