| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ấp 1, Long An) | 853445 |
| Postal/ZIP Codes in Ấp 2, Long An) | 853446 |
| Postal/ZIP Codes in Ấp 3, Long An) | 853447 |
| Postal/ZIP Codes in Ấp 4, Long An) | 853448 |
| Postal/ZIP Codes in Ấp 5, Long An) | 853449 |
| Postal/ZIP Codes in Ấp 6, Long An) | 853450 |
| Postal/ZIP Codes in Ấp 7, Long An) | 853451 |
| Postal/ZIP Codes in Nhị Thành, Long An) | 853445, 853446, 853447, 853448, 853449, … |