Lame lame lame.  Caller ID of just "I".  No message left.  12:23 pm today.

Scammers

http://whocallsme.com/Phone-Number.aspx/6265445526

CID: I
Got a call at 10am, didn't answer, no message left.
Called back and got a message saying "thank you for calling the fund raising information center. We tried to call you earlier with a message from one of the nation's finest children's, veterans, health care or public safety groups.  If you have any questions, please leave your phone number and one of our representatives will call you back"

Blocking.....

Same here. 3/8/14 9:25 a.m. PST

Just got a call from this number, did not pick ip, the display simply showed  the letter I