| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Aoki, Wakayama (青木) | 643-0002 |
| Postal/ZIP Codes in Besshiyo, Wakayama (別所) | 643-0003 |
| Postal/ZIP Codes in Others, Wakayama (その他) | 643-0000 |
| Postal/ZIP Codes in Suhara, Wakayama (栖原) | 643-0005 |
| Postal/ZIP Codes in Ta, Wakayama (田) | 643-0006 |
| Postal/ZIP Codes in Yamada, Wakayama (山田) | 643-0001 |
| Postal/ZIP Codes in Yoshikawa, Wakayama (吉川) | 643-0007 |
| Postal/ZIP Codes in Yuasa, Wakayama (湯浅) | 643-0004 |