| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ấp 1, Long An) | 855311 |
| Postal/ZIP Codes in Ấp 2, Long An) | 855312 |
| Postal/ZIP Codes in Ấp 3, Long An) | 855314 |
| Postal/ZIP Codes in Ấp 4, Long An) | 855313 |
| Postal/ZIP Codes in Thạnh Hưng, Long An) | 855311, 855312, 855313, 855314 |