Why can't I get a credit card?

Why can't I get a credit card?
Added (1). So, I have a stellar credit score, I have a mortgage, student loans and car loans, all of which I pay on time and extra and I still have money to spare. I can not for the life of me get a credit card though. And Usually they say the same thing, lack of revolving credit, which essentially is the use of a credit card. It bugs me that I can't get a card because I literally don't have a card already.

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