According to the description of the situation, the reason why your credit card was frozen was that you failed to repay in time and lost contact. The credit card was frozen because it expired. It is suggested that the overdue amount should be returned as soon as possible. After paying off the credit card debt, you can call the bank's credit card customer service center to explain the situation. As for the specific success or not, it depends on how you explain the situation to the bank staff. Usually, if you have a good attitude after paying off your debts, you can unfreeze your credit card and continue to use it, but the credit card limit may be reduced after unfreezing, so be prepared.