| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Done Kham, Khamao | 14000 |
| Postal/ZIP Codes in Hindan, Khamao | 14000 |
| Postal/ZIP Codes in Khamao, Khamao | 14000 |
| Postal/ZIP Codes in Kornsoun, Khamao | 14000 |
| Postal/ZIP Codes in Koxong, Khamao | 14000 |
| Postal/ZIP Codes in Lan, Khamao | 14000 |
| Postal/ZIP Codes in Noy Se, Khamao | 14000 |
| Postal/ZIP Codes in Phonpheng, Khamao | 14000 |
| Postal/ZIP Codes in Sim, Khamao | 14000 |
| Postal/ZIP Codes in Thong Khiane, Khamao | 14000 |