| Locality | Postal Code |
|---|---|
| Fukawayumoto (長門市) | 759-4103 |
| Heki Kami (長門市) | 759-4401 |
| Heki Kuraoda (長門市) | 759-4405 |
| Heki Naka (長門市) | 759-4402 |
| Heki Noda (長門市) | 759-4404 |
| Heki Shimo (長門市) | 759-4403 |
| Higashifukawa (長門市) | 759-4101 |
| Kayoi (長門市) | 759-4107 |
| Maki (長門市) | 759-4105 |
| Misumi Kami (長門市) | 759-3801 |
| Misumi Naka (長門市) | 759-3802 |
| Misumi Shimo (長門市) | 759-3803 |
| Nishifukawa (長門市) | 759-4102 |
| Others (長門市) | 759-4100 |
| Senzaki (長門市) | 759-4106 |
| Shibuki (長門市) | 759-4104 |
| Tawarayama (長門市) | 759-4211 |
| Yuya Hisadomi (長門市) | 759-4502 |
| Yuya Igami (長門市) | 759-4505 |
| Yuya Kadoyama (長門市) | 759-4713 |
| Yuya Kawara (長門市) | 759-4504 |
| Yuya Kawashiri (長門市) | 759-4621 |
| Yuya Kuraoda (長門市) | 759-4501 |
| Yuya Mukatsukukami (長門市) | 759-4622 |
| Yuya Mukatsukushimo (長門市) | 759-4623 |
| Yuya Shimbetsumyo (長門市) | 759-4503 |