| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Khu 1, Thanh Hoá) | 449701 |
| Postal/ZIP Codes in Khu 2, Thanh Hoá) | 449702 |
| Postal/ZIP Codes in Khu 3, Thanh Hoá) | 449703 |
| Postal/ZIP Codes in Khu 4, Thanh Hoá) | 449704 |
| Postal/ZIP Codes in Khu 5, Thanh Hoá) | 449705 |
| Postal/ZIP Codes in Khu 6, Thanh Hoá) | 449706 |
| Postal/ZIP Codes in Khu 7, Thanh Hoá) | 449707 |
| Postal/ZIP Codes in Khu 8, Thanh Hoá) | 449708 |
| Postal/ZIP Codes in Khu 9, Thanh Hoá) | 449709 |