Who called from 4029820538

My caller ID showed that someone from 402-982-0538 called me. No message was left. I returned the call and got the message "all circuits are busy. please try your call again later".

I showed a call on my DIRECT extenstion at my business phone number.  402-982-0538.  I do know people in this area code, but searched my phone for all of them and nothing matched.  This is an Omaha, NE area code.  The caller ID also showed ESTA SOL.  Call came in at almost 5:30pm CST.

this number keeps calling me on my cell, we have only had this number a few weeks. All I hear is beeps

Upon picking up my cell phone, "please hold for an important message".  Then there was a claim I would receive 2 free travel tickets.  At that point I hung up.

Picked up the phone and heard a recorded message from a woman telling me to hold for ANOTHER "important" message.... It claimed to be a public opinion poll that would award me a free cruise.  I was like..... uhm, WTF?

My thoughts were:
1) I'm on the do not call list.  

and

2) I HATE CRUISES!!!!