TaiwanNational Identification Card
Also known asNational ID Number · 國民身分證統一編號 · 身分證字號
- ISO codes
- TWN / TW
- Region
- Asia
- Length
- 10 characters
- Checksum
- Yes
Character map
Each cell is one character of the sample test value; separators are shown as-is.
Sample test value
C130536598
This value was randomly generated to pass this country's validation rules. It is not a real ID and does not belong to any person.
(01)Country reference
Specification
- Format
- L#########
- # — any digit
- L — any letter
Documented field layout:
X#########- Length
10 characters
- Checksum
- Yes
Check digits are recomputed and verified.
- Embedded data
- Yes
A valid number encodes details such as birth date, gender, or region. The validator extracts them locally in your browser.
Check a Taiwan number now.
Validate a Taiwan National Identification Card now — it runs in your browser and the number never leaves your device.
Validation rules for Taiwan come from the open-source idnumbers library. Report a format issue on GitHub