This number called, left no message. Looked like a valid landline, but when I called it back there was a produced recording about some kind of contest, so hung up. This happened before, but from slightly different number.

This number just called my cell phone (I am on Vancouver Island, BC, Canada) didn't leave a message and won't call it back.  I googled the number and it's from Illinois.

Left no message. After reading the posts, will block this number.