ZipCode : 44429
400, Jongga-ro, Jung-gu, Ulsan
Tel.+82-52-7030 Fax. +82-52-7030-333
email : oshri@kosha.or.kr
ZipCode : 34122
30, 339 Bun-gil,EXPO-ro, Yusung-gu, Daejeon
Tel.+82-42-869-0343 Fax. +82-42-863-8361
email : oshri@kosha.or.kr
ZipCode : 21417
478 Munemi-ro, Bupyeong-gu, Incheon (Incheon Regional Office)
Tel.+82-32-5100-757
email : oshri@kosha.or.kr