The beginning of China Construction Bank card number

According to the official website of China Construction Bank, we learned that the card numbers of China Construction Bank start with the following types:

621700: China Construction Bank Dragon Card Debit Card;

436742: China Construction Bank VISA Dragon Debit Card;

436745: China Construction Bank VISA Dragon Credit Card;

622280: China Construction Bank Alipay Long Card Debit Card;

421349: China Construction Bank Dragon Card UnionPay Standard Silver Card;

434061: China Construction Bank Dragon Card International Ordinary Card Gold Card;

434062: China Construction Bank Dragon Card International Ordinary Platinum Card;

622166: China Construction Bank Dragon Card RMB Credit Gold Card;

622708: China Construction Bank Dragon Card RMB Credit Ordinary Card;

625955: China China Construction Bank VISA Platinum Credit Card.

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