| Lokasi | Kode Pos |
|---|---|
| Riau, Siak, Tualang, Meredan | 28772 |
| Riau, Siak, Tualang, Meredan Barat | 28772 |
| Riau, Siak, Tualang, Perawang | 28772 |
| Riau, Siak, Tualang, Perawang Barat | 28772 |
| Riau, Siak, Tualang, Pinang Sebatang | 28772 |
| Riau, Siak, Tualang, Pinang Sebatang Barat | 28772 |
| Riau, Siak, Tualang, Pinang Sebatang Timur | 28772 |
| Riau, Siak, Tualang, Tualang | 28772 |
| Riau, Siak, Tualang, Tualang Timur | 28772 |