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