| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ao, Wakayama (阿尾) | 649-1232 |
| Postal/ZIP Codes in Hagiwara, Wakayama (萩原) | 649-1202 |
| Postal/ZIP Codes in Haradani, Wakayama (原谷) | 649-1201 |
| Postal/ZIP Codes in Hii, Wakayama (比井) | 649-1234 |
| Postal/ZIP Codes in Ibaraki, Wakayama (荊木) | 649-1211 |
| Postal/ZIP Codes in Ikeda, Wakayama (池田) | 649-1203 |
| Postal/ZIP Codes in Katakui, Wakayama (方杭) | 649-1225 |
| Postal/ZIP Codes in Oike, Wakayama (小池) | 649-1222 |
| Postal/ZIP Codes in Onaka, Wakayama (小中) | 649-1212 |
| Postal/ZIP Codes in Ora, Wakayama (小浦) | 649-1223 |
| Postal/ZIP Codes in Osaka, Wakayama (小坂) | 649-1231 |
| Postal/ZIP Codes in Others, Wakayama (その他) | 649-1200 |
| Postal/ZIP Codes in Shiga, Wakayama (志賀) | 649-1221 |
| Postal/ZIP Codes in Taie, Wakayama (高家) | 649-1213 |
| Postal/ZIP Codes in Tsukuno, Wakayama (津久野) | 649-1224 |
| Postal/ZIP Codes in Ubuyu, Wakayama (産湯) | 649-1233 |