Nonexistent customer service - Disgusted customer

I opened my account in October 2022, my card got delivered at wrong address and was used by that person, I logged a dispute, and the transaction was credited back to my account - this happened in December. Ever since that event my account has been a mess. Everybody tells me I have my full limit available and that is not true as I used the virtual card to make purchases. I called numerous times and asked for a manager to contact me, I am still waiting. I cannot even pay the account as my past payment apparently went to a student card (which I was not even aware off). I am waiting for a manger to contact me to sort out this mess.