| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | JA Iwate Hiraizumi Ichinoseki Central Branch | 0021-0002 |
| 2 | JA Iwate Hiraizumi Farmers Town | 0021-0032 |
| 3 | JA Iwate Hiraizumi Genbi Branch Office | 0021-0101 |
| 4 | JA Iwate Hiraizumi Ichinoseki | 0021-0882 |
| 5 | JA Iwate Hiraizumi Hagisho | 0021-0902 |
| 6 | JA Iwate Hiraizumi Mataki | 0029-0132 |
| 7 | JA Iwate Hiraizumi Hanaizumi Branch | 0029-3105 |
| 8 | JA Iwate Hiraizumi Nagai Branch Office | 0029-3206 |