| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Shinmachi | 860-0004 |
| 2 | Honten | 860-0017 |
| 3 | Koyamachi | 860-0025 |
| 4 | Yokote | 860-0046 |
| 5 | Kumamoto Ekimae | 860-0047 |
| 6 | Inarimae | 860-0067 |
| 7 | Kami Kumamoto | 860-0072 |
| 8 | Shimasaki | 860-0073 |
| 9 | Ikeda | 860-0082 |
| 10 | Ginzadori | 860-0807 |
| 11 | Minami Kumamoto | 860-0812 |
| 12 | Riyuutsuudanchi | 860-0834 |
| 13 | Suido-cho | 860-0845 |
| 14 | Kamitori | 860-0845 |
| 15 | Kokaibashi | 860-0852 |
| 16 | Ueki | 861-0132 |
| 17 | Yamaga | 861-0501 |
| 18 | Yamaga Higashi | 861-0532 |
| 19 | Suya | 861-1102 |
| 20 | Koshi | 861-1115 |
| 21 | Kikuchi | 861-1331 |
| 22 | Chikami | 861-4101 |
| 23 | Kawashiri | 861-4115 |
| 24 | Kumanoshiyo | 861-4203 |
| 25 | Akita | 861-5255 |