| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Khu 1, Quảng Ninh) | 202129, 202130, 202131, 202132, 202133, … |
| Postal/ZIP Codes in Khu 2, Quảng Ninh) | 202137, 202138, 202139, 202140, 202141, … |
| Postal/ZIP Codes in Khu 3, Quảng Ninh) | 202111, 202112, 202113, 202114, 202115, … |
| Postal/ZIP Codes in Khu Hà Khánh, Quảng Ninh) | 202110 |