| Place | Post Code |
|---|---|
| 东庄 (Dong, Haixi Mongol and Tibetan) | 817100 |
| 河东村 (Hedong, Haixi Mongol and Tibetan) | 817100 |
| 西庄 (Xi, Haixi Mongol and Tibetan) | 817100 |
| Postal Codes in Wulan | |
|---|---|
| Bayin (巴音乡) | |
| Chaka (茶卡镇) | |
| Keke (柯柯镇) | |
| Saishenke (赛什克乡) | |
| Tongpu (铜普乡) | |
| Xiligou (希里沟镇) | |
| Xinxiligou (新希里沟镇) | |