| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ấp 1 A, Long An) | 852903 |
| Postal/ZIP Codes in Ấp 1 B, Long An) | 852904 |
| Postal/ZIP Codes in Ấp 2, Long An) | 852902 |
| Postal/ZIP Codes in Ấp 3, Long An) | 852906 |
| Postal/ZIP Codes in Ấp 4, Long An) | 852905 |
| Postal/ZIP Codes in Ấp 5, Long An) | 852901 |
| Postal/ZIP Codes in Long Sơn, Long An) | 852901, 852902, 852903, 852904, 852905, … |