| Locality | Post Code |
|---|---|
| Caoshan, Zuozhen (草山里) | 713001, 713002 |
| Chengshan, Zuozhen (澄山里) | 713001 |
| Erliao, Zuozhen (二寮里) | 713002 |
| Ganglin, Zuozhen (岡林里) | 713000 |
| Guanghe, Zuozhen (光和里) | 713000 |
| Muguang, Zuozhen (睦光里) | 713002 |
| Neizhuang, Zuozhen (內庄里) | 713000 |
| Ronghe, Zuozhen (榮和里) | 713000 |
| Zhongzheng, Zuozhen (中正里) | 713000 |
| Zuozhen, Zuozhen (左鎮里) | 713000 |