| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in An Thạnh, Long An) | 852432, 852433, 852434, 852435, 852436, … |
| Postal/ZIP Codes in Ấp 1 A, Long An) | 852432 |
| Postal/ZIP Codes in Ấp 1 B, Long An) | 852433 |
| Postal/ZIP Codes in Ấp 2, Long An) | 852438 |
| Postal/ZIP Codes in Ấp 3, Long An) | 852434 |
| Postal/ZIP Codes in Ấp 4, Long An) | 852437 |
| Postal/ZIP Codes in Ấp 5, Long An) | 852436 |
| Postal/ZIP Codes in Ấp 6, Long An) | 852435 |