According to Aiqi.com, UnionPay card number is the card number issued by China UnionPay Co., Ltd. for UnionPay credit card and UnionPay debit card, and it is also the only identification of UnionPay credit card and UnionPay debit card. UnionPay card number consists of 16 digits, in which the first 6 digits are the issuer's identification code, the last 6 digits are the area code, the last 6 digits are the serial number of the card number, and the last digit is the check digit. UnionPay card number is very important for the issuance and use of UnionPay credit card and UnionPay debit card, and it is the only sign of payment, transfer and repayment. Cardholders with UnionPay card numbers can enjoy various services and benefits provided by China UnionPay Co., Ltd., such as consumption points, gift exchange, preferential discounts and so on.