| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Kenchonai | 870-0022 |
| 2 | Kanaike | 870-0026 |
| 3 | Oita Ekimae | 870-0027 |
| 4 | Honten | 870-0047 |
| 5 | Tsurusaki | 870-0101 |
| 6 | Akeno | 870-0165 |
| 7 | Kaku | 870-0848 |
| 8 | Higashi Oita | 870-0912 |
| 9 | Tsuru | 870-0937 |
| 10 | Shimogori | 870-0954 |
| 11 | Nakatsu | 871-0024 |
| 12 | Fukuzawadori | 871-0072 |
| 13 | Kakaji | 872-1202 |
| 14 | Shiyonin | 874-0032 |
| 15 | Beppu | 874-0930 |
| 16 | Saiki | 876-0848 |
| 17 | Hita | 877-0015 |