| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Baojia, Beihai (包家村) | 536062 |
| Postal/ZIP Codes in Chidong, Beihai (赤东村) | 536062 |
| Postal/ZIP Codes in Dongxing, Beihai (东星村) | 536062 |
| Postal/ZIP Codes in Gaocai, Beihai (高菜村) | 536005 |
| Postal/ZIP Codes in Kaijiang, Beihai (开江村) | 536005 |
| Postal/ZIP Codes in Pingyang, Beihai (平阳村) | 536062 |
| Postal/ZIP Codes in Shan, Beihai (山村) | 536062, 536005 |
| Postal/ZIP Codes in Sundong, Beihai (孙东村) | 536062 |