| Postal Code information | |
|---|---|
| Place | Trung Sơn |
| Post Code | 433430, 433431, 433432, 433433, 433434, 433435, 433436, 433437, 433438, 433439, 433440, 433441, 433442, 433443, 433444, 433445, 433446, 433447, 433448, 433449, 433450, 433451, 433452, 433453, 433454, 433455 |
| County | Trung Sơn |
| State | Đồng Bằng Sông Hồng |
| Time zone | Asia/Ho_Chi_Minh |