| Postal Code information | |
|---|---|
| Place | Hải Ninh |
| Post Code | 428621, 428622, 428623, 428624, 428625, 428626, 428627, 428628, 428629, 428630, 428631, 428632, 428633, 428634, 428635, 428636, 428637, 428638, 428639 |
| County | Hải Ninh |
| State | Đồng Bằng Sông Hồng |
| Time zone | Asia/Ho_Chi_Minh |