Who called from 2014644711

I just received a call from this # & when I answered, they hung up.
?????????????
I called the # back & they said something about a rebate for me for
visiting a website recently.
I am on the DO NOT CALL registry. Grrrrrrrr.

Received a call from this # on my cell, when I attempted to call back, was unable to get through, I'm on do not call list, Very annoying.

SOME CELL PHONES HAS BLOCK CALLS UNDER MENU THEN GO 2 MESSAGE THEN GO SETTING AN CLICK TEXT MESSAGE THEN BLOCK CALL AN TYPE THE#..THEY CALLED ME AN HUNG UP UNASSIGNED  500PM 12'21'12

Don't kno w who this is but they are harrassi ng me

Yea my phone only rings once and that's it