| Place | Post Code |
|---|---|
| 哈勒景村 (Haleijing, Haibei Tibetan) | 812200 |
| 乌兰哈达村 (Wulanhada, Haibei Tibetan) | 812200 |
| 永丰村 (Yongfeng, 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) | |