| Place | Postal Code |
|---|---|
| 保障 (Baozhang, Nantong) | 226300 |
| 川北 (Chuanbei, Nantong) | 226300 |
| 川港 (Chuangang, Nantong) | 226300 |
| 川南 (Chuannan, Nantong) | 226300 |
| 姜川 (Jiangchuan, Nantong) | 226300 |
| 姜灶 (Jiangzao, Nantong) | 226300 |
| 磨框镇 (Mokuangzhen, Nantong) | 226300 |
| 启江 (Qijiang, Nantong) | 226300 |
| 三合口 (Sanhekou, Nantong) | 226300 |
| 三圩埭 (Sanweidai, Nantong) | 226300 |
| 双桥 (Shuangqiao, Nantong) | 226300 |
| 望海台 (Wanghaitai, Nantong) | 226300 |
| 斜桥 (Xieqiao, Nantong) | 226300 |
| 义成 (Yicheng, Nantong) | 226300 |
| 志浩 (Zhihao, Nantong) | 226300 |
| 志南 (Zhinan, Nantong) | 226300 |