| Locality | Postal Code |
|---|---|
| Gangdong, Xigang (港東里) | 723022 |
| Houying, Xigang (後營里) | 723021, 723022 |
| Jinsha, Xigang (金砂里) | 723014 |
| Liucuo, Xigang (劉厝里) | 723025 |
| Nanhai, Xigang (南海里) | 723024 |
| Qingan, Xigang (慶安里) | 723015, 723023, 723024 |
| Shelin, Xigang (檨林里) | 723021, 723022 |
| Xigang, Xigang (西港里) | 723015 |
| Xinfu, Xigang (新復里) | 723000 |
| Yingxi, Xigang (營西里) | 723000 |
| Yongle, Xigang (永樂里) | 723026 |
| Zhulin, Xigang (竹林里) | 723025 |