Who called from 2146137948

Even though I've put my cell # on the Do Not Call Registry, got a call from this #, but didn't leave a message.

Have received several (maybe as many as ten or more) hang-up calls from this number.  Wish they would stop, or be polite enough to at least leave a message!

Busy tone as soon as i answered. Numerous calls from this number the past month.

I called the number back. It is a voice mail system making random calls, apparently. The mail box is full and can't accept any more messages.

Received multiple calls from this number.  I do not answer because do not recognize the number.