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In the Republic of Korea, a resident registration number (RRN) (Korean: 주민등록번호; Hanja: 住民登錄番號; RR: jumin deungnok beonho) is a 13-digit number issued to all residents of South Korea regardless of nationality.
This card contains a unique Resident registration number (Korean: 주민등록번호; Hanja: 住民登錄番號; RR: jumin deungnok beonho; MR: chumin tŭngnok pŏnho). The first six numbers indicate the citizen's date of birth, in the format YYMMDD, for example, someone born on August 15, 1980, would have 800815 as the first six digits.
South Korea Tax ID Numbers. Resident Registration Number (RRN) For Individuals, Example: 971013-9019902. The Resident Registration Number (RRN) is 13-digits. The first six digits code the date of birth. The seventh digit encodes the century and gender.
The ID number has 18 digits and is in the format RRRRRRYYYYMMDDSSSC, which is the sole and exclusive identification code for the holder (an old ID card only has 15 digits in the format RRRRRRYYMMDDIII).
This card contains a unique Resident registration number (Korean: 주민등록번호; Hanja: 住民登錄番號; RR: jumin deungnok beonho; MR: chumin tŭngnok pŏnho). The first six numbers indicate the citizen's date of birth, in the format YYMMDD, for example, someone born on August 15, 1980, would have 800815 as the first six digits.
The 13-digit number with a dash in the middle of your ID card is your resident registration number. The first six digits are your birthday in YYMMDD format. So if you were born on October 30, 1983 the first six digits would be 831030.
The resident registration number (the "RR number", 주민등록번호/住民登錄番號) shall be given to each Korean citizen at birth or by naturalization.
