21 — 7 códigos en 8 localidades (Tailandia).
| Código postal | Localidad / Distrito | Provincia / Municipio | Coordenadas |
|---|---|---|---|
| Muang Rayong | Rayong | 12.6667, 101.2833 | |
| Khao Chamao | Rayong | 12.7833, 101.65 | |
| Klaeng | Rayong | 12.7833, 101.65 | |
| Ban Khai | Rayong | 12.7833, 101.3 | |
| Ban Chang | Rayong | 12.7167, 101.0667 | |
| Pluak Daeng | Rayong | 12.9667, 101.2167 | |
| Nikhom Pattana | Rayong | 12.8125, 101.3083 | |
| Wang Chan | Rayong | 12.9333, 101.5167 |