Different ICBC credit cards (debit cards) have different numbers at the beginning. For example, the number of a regular credit card (credit card) starts with 622210, the number of a gold credit card (credit card) starts with 622215, the number of an ordinary MC international credit card (credit card) starts with 530990, and the number of a VISA student international credit card (credit card) starts with 530990. card) starts with the number 427020, and the VISA international credit card (credit card) gold card starts with the number 427030.

The credit card (credit card) card number is a 16-digit number, and the first 6 digits are BIN, which is assigned by the international card organization.