ID card information inquiry

1. The ID card is an identification document issued by public security authorities to residents of mainland China to verify their identity.

2. The ID card contains information such as the holder’s name, gender, ethnicity, date of birth, address, ID number, and photograph.

3. The ID card number is unique and consists of 18 digits. The first 17 digits represent the regional code, date of birth, sequence number, and check digit, while the last digit is the check digit.

4. The first 6 digits of the ID number are the regional code, representing the holder’s registered residence.

5. This tool parses information based on the rules of the ID number; it does not involve any private information and does not store any data.