| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Liujiazhai, Xining (刘家寨村) | 810029 |
| Postal/ZIP Codes in Pengjiazhai, Xining (彭家寨村) | 810029 |
| Postal/ZIP Codes in Xibeiyuan, Xining (西北园村) | 810029 |
| Postal/ZIP Codes in Yangjiawan, Xining (杨家湾村) | 810029 |
| Postal/ZIP Codes in Yangjiazhai, Xining (杨家寨村) | 810008 |
| Postal Codes in Chengxi | |
|---|---|
| Postal/ZIP Codes in Chengxi (城西区) | |
| Postal/ZIP Codes in Pengjiazhai (彭家寨镇) | |