| Place | Post Code |
|---|---|
| Hatkai, Lanxieng | 07000 |
| Homphan, Lanxieng | 07000 |
| Houay Mai, Lanxieng | 07000 |
| Houaykham, Lanxieng | 07000 |
| Houaykhan, Lanxieng | 07000 |
| Houaylok, Lanxieng | 07000 |
| Huaykor, Lanxieng | 07000 |
| Mon, Lanxieng | 07000 |
| Nok-Ann, Lanxieng | 07000 |
| Orloy, Lanxieng | 07000 |
| Phacha, Lanxieng | 07000 |
| Phiengman, Lanxieng | 07000 |
| Soumvan, Lanxieng | 07000 |
| Vieng, Lanxieng | 07000 |