Who called from 3234897472

received a call from this number they immediatly hung up.  10 min later another call.  offer of 100.00 gift card to wal mart or target if i press #1... no thanks....

received a call and when I answered it said goodbye and hung up.  I called it back and it offered a $100 gift card to walmart or target and told me to press 1.  I hung up.

Have received 2 calls.  The first call, there was no-one there.  The second, I did not answer.  Does anyone know how/where/to who to report the number?

This number called me claiming to be Microsoft.

Caller ID says UNKNOWN NAME. Has called two or three times a day all week, has not left voicemail.