Regional Branches
| Regional Branches | |
|---|---|
| Busan Regional Branch | Gyeongnam Regional Branch |
| Chungbuk Regional Branch | Incheon · Bucheon Regional Branch |
| Chungnam Regional Branch | Jeju Regional Branch |
| Daegu · Gyeongbuk Regional Branch | Jeonbuk Regional Branch |
| Daejeon Regional Branch | Seoul Bukbu Regional Branch |
| Gangwon Regional Branch | Seoul Jungbu Regional Branch |
| Gwangju · Jeonnam Regional Branch | Seoul Nambu Regional Branch |
| Gyeonggi Bukbu Regional Branch | Seoul Seobu Regional Branch |
| Gyeonggi Nambu Regional Branch | Ulsan Regional Branch |