| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Dadu, Hengshan (大肚村) | 312002, 312003, 312303, 312304, 312305 |
| Postal/ZIP Codes in Fengtian, Hengshan (豐田村) | 312000 |
| Postal/ZIP Codes in Fengxiang, Hengshan (豐鄉村) | 312002 |
| Postal/ZIP Codes in Fuxing, Hengshan (福興村) | 312003 |
| Postal/ZIP Codes in Hengshan, Hengshan (橫山村) | 312001, 312002, 312301 |
| Postal/ZIP Codes in Lixing, Hengshan (力行村) | 312002, 312003 |
| Postal/ZIP Codes in Nanchang, Hengshan (南昌村) | 312004 |
| Postal/ZIP Codes in Neiwan, Hengshan (內灣村) | 312003 |
| Postal/ZIP Codes in Shakeng, Hengshan (沙坑村) | 312003 |
| Postal/ZIP Codes in Tianliao, Hengshan (田寮村) | 312001, 312302 |
| Postal/ZIP Codes in Xinxing, Hengshan (新興村) | 312002, 312003 |