| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Iwakuni | 740-0018 |
| 2 | Minami Iwakuni | 740-0032 |
| 3 | Yuu | 740-0032 |
| 4 | Yanai | 742-0031 |
| 5 | Hirao | 742-0031 |
| 6 | Hikari | 743-0013 |
| 7 | Nijigahama | 743-0021 |
| 8 | Kudamatsu | 744-0012 |
| 9 | Hoshipuraza | 744-0012 |
| 10 | Kumage | 744-0012 |
| 11 | Ginnangai | 745-0031 |
| 12 | Osaka | 745-0031 |
| 13 | Shiyuunan | 745-0806 |
| 14 | Sakuragi | 745-0806 |
| 15 | Tonda | 746-0015 |
| 16 | Fukugawa | 746-0045 |
| 17 | Mure | 747-0011 |
| 18 | Hofu | 747-0802 |
| 19 | Karato | 750-0004 |
| 20 | Shimonoseki | 750-0018 |
| 21 | Shinchi | 750-0061 |
| 22 | Hikoshima | 750-0075 |
| 23 | Ozuki | 750-1144 |
| 24 | Hatabu | 751-0832 |
| 25 | Ayaragi | 751-0869 |