How to find out which bank the dunning information belongs to?

You can find the customer service phone numbers of various banks and call them one by one to ask for the results, because most banks can be distinguished by their card numbers or account numbers.

Overdue is normal, which is inevitable. However, in the face of collection, we must take up legal weapons to protect our legitimate rights and interests from infringement. Does not mean that overdue debts will be trampled by inferior people. That's not true. It is only natural that we should pay back our debts, and we don't want to make a difference in reasonable and compliant money. Money is difficult for the time being, but we also pay back the money we earned.