| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in An Nhựt Tân, Long An) | 852112, 852113, 852114, 852115, 852116 |
| Postal/ZIP Codes in Ấp 2, Long An) | 852113 |
| Postal/ZIP Codes in Ấp 3, Long An) | 852112 |
| Postal/ZIP Codes in Ấp 4, Long An) | 852115 |
| Postal/ZIP Codes in Ấp 5, Long An) | 852116 |
| Postal/ZIP Codes in Ấp 6, Long An) | 852114 |