| Postal Code | Area | |
|---|---|---|
| 400-0026 | Shiobe (塩部) | View |
| 400-0027 | Fujimi (富士見) | View |
| 400-0028 | Otowacho (音羽町) | View |
| 400-0031 | Marunouchi (丸の内) | View |
| 400-0032 | Chuo (中央) | View |
| 400-0033 | Kotobukicho (寿町) | View |
| 400-0034 | Takara (宝) | View |
| 400-0035 | Iida (飯田) | View |
| 400-0041 | Kamiishida (上石田) | View |
| 400-0042 | Takabatake (高畑) | View |
| 400-0043 | Kokubo (国母) | View |
| 400-0044 | Kamikogawaracho (上小河原町) | View |
| 400-0045 | Ushiroyacho (後屋町) | View |
| 400-0046 | Shimoishida (下石田) | View |
| 400-0047 | Tokugyo (徳行) | View |
| 400-0048 | Kugawahoncho (貢川本町) | View |
| 400-0049 | Tomitake (富竹) | View |
| 400-0051 | Furukamijomachi (古上条町) | View |
| 400-0052 | Kamijoaraimachi (上条新居町) | View |
| 400-0053 | Osatocho (大里町) | View |