ID Card Number Query
Query ID card location, supports 15-digit to 18-digit conversion
Free Query
About ID Card Query
Chinese ID card numbers follow the GB11643-1999 national standard, consisting of 18 digits.
- First 6 digits: Administrative division code
- Digits 7-14: Birth date (YYYYMMDD)
- Digits 15-17: Sequence number
- Digit 18: Check digit