| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Huaychiet, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 28, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 30, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 33, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 35, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 36, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 38, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 40, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 42, Lak 35 | 16000 |
| Postal/ZIP Codes in Lak 47, Lak 35 | 16000 |