Who called from 8316534501

Aswered call to emtpy line

Called my cell. I answered it. Computer said "Press 1 to receive your free personal gift". I did to ask them for their address so I can send them a bill for my cell phone time they used. The line went dead after that.

called my cell.. no voicemail left

The same number called me  on 5 May 2009. Our good friend Google tells me it's an unlisted number in King City(?)California

received call last night, no message left, called it back this morning, got no ringtone but jus some acid jazz for about three minutes. weird.