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