| Locality | Postal Code |
|---|---|
| Kaizucho Hiwara (海津市) | 503-0615 |
| Kaizucho Hobikishinden (海津市) | 503-0636 |
| Kaizucho Honnamishinden (海津市) | 503-0633 |
| Kaizucho Inayama (海津市) | 503-0631 |
| Kaizucho Ishigame (海津市) | 503-0629 |
| Kaizucho Kamigiri (海津市) | 503-0603 |
| Kaizucho Kanamawari (海津市) | 503-0624 |
| Kaizucho Kano (海津市) | 503-0608 |
| Kaizucho Kayano (海津市) | 503-0646 |
| Kaizucho Komagae (海津市) | 503-0613 |
| Kaizucho Kusaba (海津市) | 503-0618 |
| Kaizucho Manjushinden (海津市) | 503-0626 |
| Kaizucho Manome (海津市) | 503-0652 |
| Kaizucho Matsunoki (海津市) | 503-0601 |
| Kaizucho Miyaji (海津市) | 503-0632 |
| Kaizucho Morishita (海津市) | 503-0622 |
| Kaizucho Nagakubo (海津市) | 503-0616 |
| Kaizucho Nagase (海津市) | 503-0614 |
| Kaizucho Naiki (海津市) | 503-0641 |
| Kaizucho Narito (海津市) | 503-0604 |
| Kaizucho Nishiojima (海津市) | 503-0648 |
| Kaizucho Numashinden (海津市) | 503-0634 |
| Kaizucho Owada (海津市) | 503-0612 |
| Kaizucho Seko (海津市) | 503-0602 |
| Kaizucho Shichiuemonshinden (海津市) | 503-0627 |
| Kaizucho Sotohama (海津市) | 503-0621 |