Who called from 7035350125

Being getting this call for couple of days. I won't answer because they never leave a message.

They have been calling me for the last two days. They don't leave a message and the time I answered I heard someone saying "hello" and nothing more. When I call back it doesn't connect.

This number has called my cell phone the last two days in a row.  My cell number has only been given to family and close friends.  This is very annoying.  When I call the number back (from my land line) I only get a busy signal.

They keep calling me. I try to call nack and the line is always busy. They must be reported!

Just called and left no voicemail. ANNOYING.