| Locality | Postal Code |
|---|---|
| Dingan, Houbi (頂安里) | 731000 |
| Fuan, Houbi (福安里) | 731010, 731022, 731023 |
| Houbi, Houbi (後壁里) | 731000 |
| Houbo, Houbi (侯伯里) | 731021, 731024, 731025 |
| Jiadong, Houbi (嘉苳里) | 731022, 731022, 731023 |
| Jingfeng, Houbi (菁豐里) | 731024 |
| Jingliao, Houbi (菁寮里) | 731024 |
| Shangqiedong, Houbi (上茄苳里) | 731021 |
| Tugou, Houbi (土溝里) | 731023 |
| Xindong, Houbi (新東里) | 731027 |
| Xinjia, Houbi (新嘉里) | 731028 |
| Zhangan, Houbi (長安里) | 731000 |
| Zhangduanshu, Houbi (長短樹里) | 731025, 731026 |
| Zhuxin, Houbi (竹新里) | 731028 |