First National Bank of Omaha

I am trying to buy a home and when the bank pulled a credit report on me I had a entry for First National Bank, Midland Credit, with a phone number that does not work. I call it and it disconnects after 2 ring. I am trying to figure out what exactly they think I owe on. My credit report says something about a credit card but I am quite sure I never had one. The amount says $420 in one spot and $482 in another. I am trying to research them online to figure out how to contact them but all I am find is complaints about similar situations against this company.