57 — 21 códigos en 21 localidades (China).
| Código postal | Localidad / Distrito | Provincia / Municipio | Coordenadas |
|---|---|---|---|
| Haikou | Haikou Shi · Hainan | 20.0342, 110.3465 | |
| Qiongshan District | Qiongshan Qu · Haikou Shi | 19.2787, 110.3075 | |
| Ding'an County | Ding’an Xian · Ding'an County | 19.2787, 110.3075 | |
| Wenchang | Wenchang Shi · Hainan | 19.5516, 110.8028 | |
| Qionghai | Qionghai County · Hainan | 19.2425, 110.4642 | |
| Wanning | Wanning Shi · Hainan | 18.7993, 110.3841 | |
| Tunchang County | Tunchang Xian · Tunchang County | 19.2787, 110.3075 | |
| Danzhou | Danzhou Shi · Hainan | 19.5213, 109.579 | |
| Lingao County | Lingao Xian · Lingao County | 19.2787, 110.3075 | |
| Chengmai County | Chengmai Xian · Chengmai County | 19.2787, 110.3075 | |
| Sanya | Sanya Shi · Hainan | 18.2543, 109.5095 | |
| Wuzhishan City | Wuzhishan Shi · Wuzhishan City | 18.651, 109.2235 | |
| Baoting Li and Miao Autonomous County | Baoting Li and Miao Autonomous County · Hainan | 18.651, 109.2235 | |
| Lingshui Li Autonomous County | Lingshui Li Autonomous County · Hainan | 18.651, 109.2235 | |
| Ledong Li Autonomous County | Ledong Li Autonomous County · Hainan | 18.651, 109.2235 | |
| Dongfang | Dongfang Shi · Dongfang City | 19.0478, 108.9374 | |
| Changjiang Li Autonomous County | Changjiang Li Autonomous County · Hainan | 18.651, 109.2235 | |
| Baisha Li Autonomous County | Baisha Li Autonomous County · Hainan | 18.651, 109.2235 | |
| Qiongzhong Li and Miao Autonomous County | Qiongzhong Li and Miao Autonomous County · Hainan | 18.651, 109.2235 | |
| Sansha | Sansha · Hainan | 16.8391, 112.3406 | |
| Yangpu Economic Development Zone | Yangpu Economic Development Zone · Danzhou Shi | 18.9113, 110.2955 |