| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ấp 1, Long An) | 852503 |
| Postal/ZIP Codes in Ấp 2, Long An) | 852506 |
| Postal/ZIP Codes in Ấp 3, Long An) | 852504 |
| Postal/ZIP Codes in Ấp 4, Long An) | 852505 |
| Postal/ZIP Codes in Ấp 5, Long An) | 852501 |
| Postal/ZIP Codes in Ấp 6, Long An) | 852502 |
| Postal/ZIP Codes in Thạnh Lợi, Long An) | 852501, 852502, 852503, 852504, 852505, … |