| Locality | Post Code |
|---|---|
| Niirone (南陽市) | 999-2231 |
| Nishiochiai (南陽市) | 999-2265 |
| Ogi (南陽市) | 992-0582 |
| Ohashi (南陽市) | 999-2224 |
| Okita (南陽市) | 999-2252 |
| Others (南陽市) | 999-2200 |
| Ringo (南陽市) | 992-0477 |
| Sakai (南陽市) | 999-2256 |
| Sekine (南陽市) | 999-2255 |
| Shimanuki (南陽市) | 999-2244 |
| Shimogi (南陽市) | 992-0583 |
| Shinden (南陽市) | 999-2205 |
| Sunazuka (南陽市) | 992-0476 |
| Takanashi (南陽市) | 999-2251 |
| Takehara (南陽市) | 992-0478 |
| Taro (南陽市) | 992-0584 |
| Tsuyuhashi (南陽市) | 999-2254 |
| Urushiyama (南陽市) | 992-0474 |
| Wada (南陽市) | 992-0479 |
| Wakasagoya (南陽市) | 999-2262 |
| Wano (南陽市) | 999-2233 |