| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Dahan, Heishui (大函村) | 409803 |
| Postal/ZIP Codes in Heishui, Heishui (黑水村) | 409803 |
| Postal/ZIP Codes in Malu, Heishui (马鹿村) | 409803 |
| Postal/ZIP Codes in Pingde, Heishui (平地村) | 409803 |
| Postal/ZIP Codes in Xinyan, Heishui (新堰村) | 409803 |