| Information | |
|---|---|
| Name | Khu 4 |
| Postal Code | 201832, 201841, 201842, 201843, 201844, 201845, 201846, 201847, 201848, 201849, 201850, 201851, 201852, 201853, 201854, 201855, 201856, 201857, 201858, 201859, 201860, 201861 |
| Wards | Hà Lầm |
| Provincial cities | Hạ Long |
| Provinces | Quảng Ninh |
| Regions | Đông Bắc |
| Place Type | town | Language | VI | HASC |
| Daylight Saving Time | NOT APPLICABLE |
| Local Date |
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| Local Time |
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