| Postal Code information | |
|---|---|
| Place | Na Hang |
| Post Code | 304802, 304803, 304804, 304805, 304806, 304807, 304808, 304809, 304811, 304812, 304813, 304814, 304815, 304816, 304817, 304818, 304819, 304820, 304821, 304822, 304823, 304824 |
| County | Na Hang |
| State | Đông Bắc |
| Time zone | Asia/Ho_Chi_Minh |