South KoreaResident Registration Number
Also known as주민등록번호 · RRN · 住民登錄番號 · Jumin Deungnok Beonho
- ISO codes
- KOR / KR
- Region
- Asia
- Length
- 13–14 characters
- Checksum
- No
Character map
Each cell is one character of the sample test value; separators are shown as-is.
200924-4227088
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
- ######-#######
- # — any digit
- Other characters are written as shown.
Documented field layout:
YYMMDD-GSSSSSS- Length
13–14 characters
- Checksum
- No
Only the format is checked — this number has no check digit.
- 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 South Korea number now.
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Validation rules for South Korea come from the open-source idnumbers library. Report a format issue on GitHub