Who called from 8018214321

Just got a call, no message left.

Just got a call. Answered and no one was there.

Another call, another missed opportunity to leave a message.

Called but did not leave a message.

Missed the call. Called back said, "the serve you were called for is now over. If you would like to be removed from out call list press 9" I did so. Waited about 20 secs. Auto message said "your number has now been removed from our list" and hung up.