Contact details for the embassies travelers ask for most, and who to ask if yours is not listed. Call ahead: most work by appointment.
Which one you call depends on your nationality. For a country not listed here, ask 1330.
02-397-4114
188 Sejong-daero, Jongno-gu, Seoul
02-771-9020
27 Myeongdong 2-gil, Jung-gu, Seoul
02-739-7400
6 Yulgok-ro, Jongno-gu, Seoul