Who called from 4159172001

Didn't leave a message. CallerID said it's from SF.

Another one of those calls for the "Do Not Call List", this is got to stop as I have got over this last weekend 8 calls from this number.  No message left just the unknown caller...

8-23-2015
Sunday
1-415-917-2001
10:28 AM
Called.
No message.

10:42  Called an unlisted business number on Sunday?!?.  Ignored.  San Francisco area left no message.  No message, no importance.  SPAM.  Interesting to see other observations.

No message, blocked it.