| Distritos | Códigos de área | CEP |
|---|---|---|
| Dongcheng | 10 | 100.000 |
| Xicheng | 10 | 100.000 |
| Chaoyang | 10 | 100.000 |
| Fengtai | 10 | 100.000 |
| Shijingshan | 10 | 100.000 |
| Haidian | 10 | 100.000 |
| Mentougou | 10 | 102300 |
| Fangshan | 10 | 102400 |
| Tongzhou | 10 | 101100 |
| Shunyi | 10 | 101300 |
| Changping | 10 | 102200 |
| Daxing | 10 | 102600 |
| Huairou | 10 | 101400 |
| Pinggu | 10 | 101200 |
| MiyunCounty | 10 | 101500 |
| Yanqing | 10 | 102100 |