Domestic Branches Specialized Domestic Branches Branches for Foreign Customers PB Operation Branches Saturday Hours Night Banking Branches Incheon International Airport Branch Overseas Emigration Specializing Center Overseas Network Head Office Address: 181, 2-Ka, Ulchiro, Chung-ku C.P.O. Box 2924, Seoul 100-793, Korea Alphabetical listing of branches Branch Business Hours Monday ~ Friday : from 9 : 30(AM) to 4 : 30(PM). For Internet Banking Service Hours and Details.