| Locality | Postal Code |
|---|---|
| Akayu (南陽市) | 999-2211 |
| Chuohigashi (南陽市) | 999-2234 |
| Hagyuda (南陽市) | 999-2263 |
| Hanetsuki (南陽市) | 992-0475 |
| Hoshiyanagi (南陽市) | 999-2267 |
| Ikeguro (南陽市) | 992-0473 |
| Kamanohata (南陽市) | 999-2201 |
| Kamoda (南陽市) | 999-2261 |
| Kaneyama (南陽市) | 992-0471 |
| Kanezawa (南陽市) | 999-2212 |
| Kawatoi (南陽市) | 999-2204 |
| Koiwasawa (南陽市) | 999-2203 |
| Koriyama (南陽市) | 999-2241 |
| Kotaki (南陽市) | 992-0581 |
| Kunugizuka (南陽市) | 999-2221 |
| Manaitayanagi (南陽市) | 999-2223 |
| Matsuzawa (南陽市) | 999-2213 |
| Mitsumadori (南陽市) | 999-2232 |
| Miyauchi (南陽市) | 992-0472 |
| Miyazaki (南陽市) | 999-2253 |
| Motonakayama (南陽市) | 999-2202 |
| Nabeta (南陽市) | 999-2243 |
| Nagaoka (南陽市) | 999-2222 |
| Nagatoro (南陽市) | 999-2266 |
| Nakanome (南陽市) | 999-2242 |
| Nakaochiai (南陽市) | 999-2264 |