1. savings card (generally 19 digits): card numbers are 622203, 62 1476, 62202, 62 1226, 62200, 955880 and 95588/kloc. Cards beginning with 62208, 62 1227, 62 1288, 623229, 62 1475, 62 12 18 and 955888 are wealth management cards or ICBC wealth management cards.

2. Credit card (generally 14- 16 digits): the card number starts with 3, 4, 5 and 6 (except international debit cards).

It can also be distinguished according to these methods:

1. Credit cards are those with clear words "credit card" and "debit card" on their faces.

2. There is a laser anti-counterfeiting mark on the front of the credit card, but not on the debit card (except for individual bank debit cards).

3. Credit card must have an expiration date.

4. The words "debit card", "savings card", "ATM card", "Maestro" and "Cirrus" are clearly marked as debit cards on the card face.

5. The credit card number is embossed. Debit cards are printed in print and relief.

6. On the front of the credit card, there is the Chinese pinyin of the cardholder's name, and some have the gender of "Mr" and "Ms". Debit cards may not be available.

7. Generally, you don't need to enter a password (except for Shenfa Credit Card, CITIC Industrial Credit Card and some credit cards of CCB), just enter 6 or 4 digits on the password key to confirm.

8. Credit cards have an expiration date.

9. There is a CVV code for online payment on the back of the credit card.

Other information on the front of the credit card:

The expiration date is printed at the bottom of the 16 digit card number, and the unit is MM/YY (month/year). For example, 12/ 16 means that your credit card is valid for 20 16 12. The validity period is another verification method besides card number, password and anti-counterfeiting code, which gives more security! Some transactions such as online/telephone payment will use the validity period.

The first two digits of the card number correspond to different card organizations. Longka credit cards marked by different card organizations can participate in different preferential activities and can also be used by different merchants.

Back of the card:

Security codes (CVV2, CVN2, CVC2) are used to verify transactions and are as important as passwords. Some websites/telephone shopping at home and abroad do not need a password. You can complete the transaction by providing the account number, expiration date and security code. In addition, key operations such as card opening and activation will also use anti-counterfeiting codes, so don't disclose these core information.

Savings card is a kind of financial transaction card issued by the bank to provide financial services for depositors, which belongs to a kind of debit card. There are two kinds: magnetic stripe and chip. Its main function is to deposit and withdraw money at networked ATMs and bank counters and spend it at networked POS machines.

The main function of a savings card is to save deposits. Cardholders can read and manually enter passwords through the electronic payment network established by the bank and the magnetic stripe of the card, so as to realize the functions of credit card consumption, ATM withdrawal, transfer and various payments. The expenses incurred through the card are equal to the decrease in the balance of the savings account. If the account balance is zero, the payment function of the card will also be reduced to zero. The application for a savings card is very simple, and you can get it right away without bank approval.