| Postal Code | Area | |
|---|---|---|
| 640-0101 | Okawa (大川) | View |
| 640-0102 | Miyama (深山) | View |
| 640-0103 | Kada (加太) | View |
| 640-0111 | Hino (日野) | View |
| 640-0112 | Nishinosho (西庄) | View |
| 640-0113 | Motowaki (本脇) | View |
| 640-0114 | Isonoura (磯の浦) | View |
| 640-0115 | Tsutsujigaoka (つつじが丘) | View |
| 640-0301 | Komakura (木枕) | View |
| 640-0302 | Nagayama (永山) | View |
| 640-0303 | Sandonaka (山東中) | View |
| 640-0304 | Hirao (平尾) | View |
| 640-0305 | Myooji (明王寺) | View |
| 640-0306 | Shionotani (塩ノ谷) | View |
| 640-0307 | Yata (矢田) | View |
| 640-0311 | Kuroiwa (黒岩) | View |
| 640-0312 | Kurodani (黒谷) | View |
| 640-0313 | Sakaibara (境原) | View |
| 640-0314 | Zudaji (頭陀寺) | View |
| 640-0315 | Minamibata (南畑) | View |