Pufa starts at 02 1-38 or 20, and the flow starts at 02 1-5. It seems that Ping An is 0755.

The credit card collection at the beginning of 02 1 shows Shanghai number. General banks entrust a third party to outsource the collection platform and use different area numbers for collection. The collection staff can't not answer all the calls, otherwise the cardholder can't be contacted, and the collection platform will contact the relatives and friends around the cardholder for harassment. You can answer but don't answer all the calls.