United KingdomNational Insurance Number
Also known asNINO
- ISO codes
- GBR / GB
- Region
- Europe
- Length
- 9 characters
- Checksum
- No
Character map
Each cell is one character of the sample test value; separators are shown as-is.
Sample test value
PH235126M
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
- LL######L
- # — any digit
- L — any letter
- Length
9 characters
- Checksum
- No
Only the format is checked — this number has no check digit.
- Embedded data
- No
This number encodes no extractable personal data.
Check a United Kingdom number now.
Validate a United Kingdom National Insurance Number now — it runs in your browser and the number never leaves your device.
Validation rules for United Kingdom come from the open-source idnumbers library. Report a format issue on GitHub