| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Hakuchiyodai | 050-0054 |
| 2 | Motowa Nishi | 050-0065 |
| 3 | Takasago | 050-0072 |
| 4 | Kodaimae | 050-0072 |
| 5 | Nakajima | 050-0074 |
| 6 | Higashi Muroran-ekimae | 050-0074 |
| 7 | Higashi Machi | 050-0083 |
| 8 | Wa Nishi | 050-0085 |
| 9 | Bokoi | 051-0004 |
| 10 | Honten | 051-0022 |
| 11 | Ohashinai | 051-0031 |
| 12 | Date | 052-0021 |
| 13 | Tomakomai Chuo | 053-0022 |
| 14 | Tomakomai | 053-0805 |
| 15 | Horobetsu | 059-0012 |
| 16 | Fuji-cho | 059-0014 |
| 17 | Washibetsu | 059-0034 |
| 18 | Wakakusa | 059-0035 |
| 19 | Noboribetsu | 059-0464 |
| 20 | Noboribetsuonsen | 059-0551 |
| 21 | Nishikioka | 059-1273 |