The card number of China Construction Bank starts with 1, and the card number at the beginning of 62 1700 is the Longka cartoon debit card of China Construction Bank. 2. The beginning of 436742 is China Construction Bank VISA Longka Debit Card. 3. VISA Longka Credit Card of China Construction Bank, beginning with 436745. At the beginning of 4.622280, China Construction Bank Alipay Dragon Card Debit Card. For example, the card number is 436722333344555, the first four digits are the name code of the bank, the last four digits are the use code of the card, the middle four digits are the activation time of the card, the last four digits are the branch location code, and the last three digits are the user's personal code. Bank cards are divided into three types: debit card, quasi-credit card and credit card, and bank cards are generally marked with UnionPay, Visa, Master and JCB. Generally, the cards starting with 6 are UnionPay cards, the cards starting with 4 are cards with Visa logo, the cards starting with 5 are cards with Master, and the cards starting with 3 are cards with JCB logo. The first few digits of the card with the same logo in the bank card are the same. For example, in China Merchants Bank, cards with UnionPay logo start with 62258, those with Visa logo start with 4392, those with Master logo start with 5 186, and those with JCB start with 3568. In another bank, the card numbers of debit cards and credit cards are generally different. For example, in China Construction Bank, the debit card starts with 4367, which is 19 digits, while the credit card with Visa logo also starts with 4367, but it is 16 digits. The card number of a general credit card is 16 digits, and the card number of a debit card varies from 16 digits to 19 digits according to different banks. China Construction Bank, formerly known as People's Construction Bank of China, was established in June 1954+ 10/(later renamed as China Construction Bank on March 26th, 1 996). The head office is located at No.25, Financial Street, Beijing. It is a large state-owned bank managed by the central government and a national deputy ministerial unit. The main business areas of China Construction Bank include corporate banking, personal banking and treasury business, with branches and subsidiaries in 29 countries and regions, and subsidiaries in many industries such as funds, leasing, trust, life insurance, property insurance, investment banking, futures and pension. China Construction Bank has a broad customer base, maintains banking contacts with many large enterprise groups and leading enterprises in China's economic and strategic industries, and its marketing network covers major regions of the country.