| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Shinmachi | 860-0004 |
| 2 | Kumamoto Ekimae | 860-0047 |
| 3 | Tasaki | 860-0047 |
| 4 | Demachi | 860-0074 |
| 5 | Shimizu | 860-0085 |
| 6 | Honten | 860-0806 |
| 7 | Minami Kumamoto | 860-0831 |
| 8 | Kamitori | 860-0848 |
| 9 | Yamaga | 861-0501 |
| 10 | Karikusa | 861-4134 |
| 11 | Musashigaoka | 861-8001 |
| 12 | Onoe | 862-0913 |
| 13 | Obiyama | 862-0924 |
| 14 | Omine | 862-0933 |
| 15 | Suizenji | 862-0949 |
| 16 | Oe | 862-0975 |
| 17 | Yatsushiro | 866-0861 |