| Place | Post Code |
|---|---|
| 豆后塘村 (Douhoutang, Hainan Tibetan) | 813302 |
| 杜宗村 (Duzong, Hainan Tibetan) | 813302 |
| 龙务隆村 (Longwulong, Hainan Tibetan) | 813302 |
| 民族村 (Minzu, Hainan Tibetan) | 813302 |
| 恰青村 (Qiaqing, Hainan Tibetan) | 813302 |
| 然毛村 (Ranmao, Hainan Tibetan) | 813302 |
| 中铁乡 (Zhongtie Township, Hainan Tibetan) | 813399 |
| 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) | |