| Locality | Postal Code |
|---|---|
| Gangqian, Xinyuan (港墘村) | 932000 |
| Gangxi, Xinyuan (港西村) | 932017 |
| Gonghe, Xinyuan (共和村) | 932014 |
| Nanlong, Xinyuan (南龍村) | 932012, 932015, 932016, 932017, 932018 |
| Neizhuang, Xinyuan (內庄村) | 932016, 932017, 932019 |
| Tianyang, Xinyuan (田洋村) | 932013, 932018 |
| Wayao, Xinyuan (瓦磘村) | 932013 |
| Wufang, Xinyuan (五房村) | 932012, 932017, 932019 |
| Wulong, Xinyuan (烏龍村) | 932015, 932016 |
| Xianji, Xinyuan (仙吉村) | 932013, 932018 |
| Xindong, Xinyuan (新東村) | 932016 |
| Xinglong, Xinyuan (興龍村) | 932015, 932018 |
| Xinyuan, Xinyuan (新園村) | 932016, 932017, 932019 |
| Yanbu, Xinyuan (鹽埔村) | 932012, 932014, 932015 |
| Zhongzhou, Xinyuan (中洲村) | 932015 |