| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Higashigo, Wakayama (東郷) | 648-0133 |
| Postal/ZIP Codes in Ichitaira, Wakayama (市平) | 648-0131 |
| Postal/ZIP Codes in Jisonin, Wakayama (慈尊院) | 648-0151 |
| Postal/ZIP Codes in Kamikosawa, Wakayama (上古沢) | 648-0143 |
| Postal/ZIP Codes in Kane, Wakayama (河根) | 648-0111 |
| Postal/ZIP Codes in Kasagi, Wakayama (笠木) | 648-0142 |
| Postal/ZIP Codes in Kitamata, Wakayama (北又) | 648-0132 |
| Postal/ZIP Codes in Kudoyama, Wakayama (九度山) | 648-0101 |
| Postal/ZIP Codes in Nakakosawa, Wakayama (中古沢) | 648-0144 |
| Postal/ZIP Codes in Nyugo, Wakayama (入郷) | 648-0161 |
| Postal/ZIP Codes in Nyukawa, Wakayama (丹生川) | 648-0121 |
| Postal/ZIP Codes in Others, Wakayama (その他) | 648-0100 |
| Postal/ZIP Codes in Shiide, Wakayama (椎出) | 648-0141 |
| Postal/ZIP Codes in Shimokosawa, Wakayama (下古沢) | 648-0145 |