| Locality | Post Code |
|---|---|
| Oshinokawa (宿毛市) | 788-0051 |
| Others (宿毛市) | 788-0000 |
| Saiwaicho (宿毛市) | 788-0003 |
| Sakanoshita (宿毛市) | 788-0053 |
| Sakuragaoka (宿毛市) | 788-0054 |
| Sakuramachi (宿毛市) | 788-0006 |
| Shikinoka (宿毛市) | 788-0030 |
| Shinden (宿毛市) | 788-0011 |
| Shinko (宿毛市) | 788-0028 |
| Takasago (宿毛市) | 788-0012 |
| Ususuki (宿毛市) | 788-0023 |
| Wada (宿毛市) | 788-0052 |
| Yamakita (宿毛市) | 788-0037 |
| Yamanachoyamada (宿毛市) | 788-0784 |
| Yamanachoyoshina (宿毛市) | 788-0785 |
| Yoichimyo (宿毛市) | 788-0008 |