TD Bank US Holding Company Credit Card Complaint

TD Bank US Holding Company Credit card department,

Closing/Cancelling account Louisiana

I have a - credit card issued by TD Bank with a credit line of - dollars and a current balance of about -. I never have a late payment on this card or in any account. My credit score is - mostly because is not not old, only 7 years. I just received a notification for TD Bank informing that because they are ending the credit card relationship with -, my account will be close. How much that will be impacting my credit score specially now that I 'm about to apply for a mortgage. I have been fulfilled my obligation but apparently that means nothing for them.