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What is the card number of the Postal Savings Bank?

19. official website of China Postal Savings Bank shows that the card number of China Postal Savings Bank consists of 19 digits. To distinguish the types of cards in a breakup, you can distinguish them by the number of digits of the card number and the first place. Postal Savings Bank, referred to as Postal Savings Bank, was formally established on March 20, 2007. It is the fifth largest bank in China and a state-owned commercial bank established on the basis of the reform of postal savings management system.