| Postal Code | Area | |
|---|---|---|
| 031-0803 | Suwa (諏訪) | View |
| 031-0804 | Aoba (青葉) | View |
| 031-0811 | Shinminato (新湊) | View |
| 031-0812 | Minatomachi (湊町) | View |
| 031-0813 | Niida (新井田) | View |
| 031-0814 | Myo (妙) | View |
| 031-0815 | Matsudate (松館) | View |
| 031-0816 | Niida Nishi (新井田西) | View |
| 031-0821 | Shirogane (白銀) | View |
| 031-0822 | Shiroganemachi (白銀町) | View |
| 031-0823 | Minatotakadai (湊高台) | View |
| 031-0824 | Asahigaoka (旭ケ丘) | View |
| 031-0831 | Chikkogai (築港街) | View |
| 031-0832 | Shiroganedai (白銀台) | View |
| 031-0833 | Okubo (大久保) | View |
| 031-0834 | Sakuragaoka (桜ケ丘) | View |
| 031-0841 | Samemachi (鮫町) | View |
| 031-0842 | Misakidai (岬台) | View |
| 031-0843 | Kanehama (金浜) | View |
| 031-0844 | Mihono (美保野) | View |