주민등록

jumindeungnok · Resident registration

What it is

The national registration system for Korean citizens; the resident registration number is used for almost everything.

Where newcomers get stuck

Many websites ask for a resident number — foreigners use their alien registration number instead, and some sites don't accept it.

What you need

For citizens: an ID card; for foreigners, see alien registration.

Useful sentence

외국인등록번호로도 가입돼요?oegugindeungnokbeonhorodo gaipdwaeyo?Can I sign up with an alien registration number?

Rules and costs change and vary by district and building — no prices here. Check with your agent, building office or the official sites before you decide.