| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ấp 1, Long An) | 854431 |
| Postal/ZIP Codes in Ấp 2, Long An) | 854432 |
| Postal/ZIP Codes in Ấp 3, Long An) | 854433 |
| Postal/ZIP Codes in Ấp 4, Long An) | 854434 |
| Postal/ZIP Codes in Ấp 5, Long An) | 854435 |
| Postal/ZIP Codes in Tân Tây, Long An) | 854431, 854432, 854433, 854434, 854435 |