| Ortschaft | Postleitzahl |
|---|---|
| Hiratacho Bushigawa (海津市) | 503-0311 |
| Hiratacho Hataosa (海津市) | 503-0304 |
| Hiratacho Imao (海津市) | 503-0321 |
| Hiratacho Jaike (海津市) | 503-0306 |
| Hiratacho Jaketsu (海津市) | 503-0305 |
| Hiratacho Katsuga (海津市) | 503-0302 |
| Hiratacho Nishijima (海津市) | 503-0314 |
| Hiratacho Nodera (海津市) | 503-0303 |
| Hiratacho Oka (海津市) | 503-0307 |
| Hiratacho Sango (海津市) | 503-0312 |
| Hiratacho Suka (海津市) | 503-0301 |
| Hiratacho Takada (海津市) | 503-0313 |
| Hiratacho Tsuchikura (海津市) | 503-0322 |
| Hiratacho Wakino (海津市) | 503-0323 |
| Kaizucho Aburajima (海津市) | 503-0625 |
| Kaizucho Akie (海津市) | 503-0611 |
| Kaizucho Ehigashi (海津市) | 503-0635 |
| Kaizucho Fudano (海津市) | 503-0643 |
| Kaizucho Fukahama (海津市) | 503-0644 |
| Kaizucho Fukue (海津市) | 503-0628 |
| Kaizucho Fukuishiki (海津市) | 503-0605 |
| Kaizucho Fukuoka (海津市) | 503-0655 |
| Kaizucho Furunakajima (海津市) | 503-0623 |
| Kaizucho Gocho (海津市) | 503-0645 |
| Kaizucho Higashiojima (海津市) | 503-0647 |
| Kaizucho Hirahara (海津市) | 503-0651 |