| Place | Post Code |
|---|---|
| 德州村 (Dezhou, Haibei Tibetan) | 812200 |
| 托华村 (Tuohua, Haibei Tibetan) | 812200 |
| 温度村 (Wendu, Haibei Tibetan) | 812200 |
| Postal Codes in Haiyan | |
|---|---|
| Ganzihe (甘子河乡) | |
| Haiyan (海晏县) | |
| Haleijing (哈勒景乡) | |
| Jintan (金滩乡) | |
| Qinghaihu (青海湖乡) | |
| Sanjiaocheng (三角城镇) | |
| Tuolei (托勒乡) | |
| Xihai (西海镇) | |
| Yintan (银滩乡) | |