Sri LankaNational ID Number
- ISO codes
- LKA / LK
- Region
- Asia
- Length
- 10–12 characters
- Checksum
- Yes
Character map
Each cell is one character of the sample test value; separators are shown as-is.
Sample test value
740632552088
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:
YYYYDDDSSSSC- Length
10–12 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.
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Validation rules for Sri Lanka come from the open-source idnumbers library. Report a format issue on GitHub