List of All Postal Codes in Keisen | ||
|---|---|---|
| Postal Code Code | Postal Code Name | Prefecture |
| 820-0600 | Ikanikeisaiganaibaai | Fukuoka Prefecture |
| 820-0601 | Uchiyamada | Fukuoka Prefecture |
| 820-0603 | Jumei | Fukuoka Prefecture |
| 820-0604 | Seto | Fukuoka Prefecture |
| 820-0605 | Chuya | Fukuoka Prefecture |
| 820-0606 | Toi | Fukuoka Prefecture |
| 820-0607 | Haji | Fukuoka Prefecture |
| 820-0608 | Mameda | Fukuoka Prefecture |
| 820-0609 | Yoshikuma | Fukuoka Prefecture |