| Place | Post Code |
|---|---|
| 才乃亥村 (Cainaihai, Hainan Tibetan) | 813302 |
| 大米滩村 (Damitan, Hainan Tibetan) | 813302 |
| 莫多村 (Moduo, Hainan Tibetan) | 813302 |
| 塔洞村 (Tadong, Hainan Tibetan) | 813302 |
| 团结村 (Tuanjie, Hainan Tibetan) | 813302 |
| Postal Codes in Xinghai | |
|---|---|
| Heka (河卡镇) | |
| Longcang (龙藏乡) | |
| Qushenan (曲什安乡) | |
| Sangdang (桑当乡) | |
| Tangnaihai (唐乃亥乡) | |
| Wenquan (温泉乡) | |
| Zhongtie (中铁乡) | |
| Ziketan (子科滩镇) | |