| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Khu 1, Quảng Ninh) | 201940, 201941, 201942, 201943, 201944, … |
| Postal/ZIP Codes in Khu 2, Quảng Ninh) | 201955, 201956, 201957, 201965, 201966, … |
| Postal/ZIP Codes in Khu 3, Quảng Ninh) | 201960, 201961, 201962, 201963, 201964, … |
| Postal/ZIP Codes in Khu 4, Quảng Ninh) | 201993, 201994, 201995, 201996, 201997, … |
| Postal/ZIP Codes in Khu 5, Quảng Ninh) | 202006, 202007, 202008, 202009, 202010, … |