Korea Resident Registration Number vs. U.S. SSN: Key Differences & Alien Registration card
Introduction If you’re an American living in Korea, you may have noticed that a Resident Registration Number (주민등록번호, RRN) is frequently required at banks, hospitals, and online services. This differs from the U.S. Social Security Number (SSN), which is mainly used for taxation and legal identification. For foreigners, Korea issues an Alien Registration Number (외국인등록번호, […]