List of All Postal Codes in Kouhoku | ||
|---|---|---|
| Postal Code Code | Postal Code Name | Prefecture |
| 849-0500 | Ikanikeisaiganaibaai | Saga Prefecture |
| 849-0501 | Yamaguchi | Saga Prefecture |
| 849-0502 | Sarushi | Saga Prefecture |
| 849-0503 | Soryobun | Saga Prefecture |
| 849-0504 | Hatcho | Saga Prefecture |
| 849-0505 | Shimoda | Saga Prefecture |
| 849-0506 | Kamioda | Saga Prefecture |