| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 1 | Shindaikumachi | 850-0017 |
| 2 | Nagasaki-shi Yaku-shi Yo | 850-0031 |
| 3 | Sakuramachi | 850-0031 |
| 4 | Kita | 850-0057 |
| 5 | Shianbashi | 850-0832 |
| 6 | Kankodori | 850-0852 |
| 7 | Kencho | 850-0861 |
| 8 | Ora | 850-0918 |
| 9 | Tomachi | 850-0952 |
| 10 | Shintomachi | 850-0954 |
| 11 | Himi | 851-0121 |
| 12 | Higashi Nagasaki | 851-0133 |
| 13 | Mogi | 851-0241 |
| 14 | Tagami | 851-0251 |
| 15 | Fukahori | 851-0301 |
| 16 | Sanwa-cho | 851-0403 |
| 17 | Nomo | 851-0505 |
| 18 | Koebaru | 851-1132 |
| 19 | Nagasaki Giyoko | 851-2211 |
| 20 | Kinkai | 851-3102 |
| 21 | Inasa | 852-8004 |
| 22 | Inasa Chuo Dori | 852-8008 |
| 23 | Shiroyama | 852-8034 |
| 24 | Michino | 852-8053 |
| 25 | Nameshi | 852-8061 |