Siak Postal Codes: 28654 to 28773 | Riau
Postal Codes (Kode pos) for Siak range from 28654 to 28773 in Riau, Indonesia. To find exact Postal Codes and postcodes within Siak, choose from the districts below.
Districts in Siak
Sample Address Format for Siak
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Siak, Riau, 28654
INDONESIA
Siak on the Map
The map above highlights the geographic boundaries of the Siak regencies in Indonesia.
Siak Quick Facts
| Country | Indonesia (ID) |
|---|---|
| Administrative Path | Indonesia → Riau |
| Postal Code | 28654~28773 |
| Province | Riau |
| ISO Codes | ID / IDN / 360 |
| Top-level domain (ccTLD) | .id |
| Coordinates | 0.827534, 101.846194 |
| Districts | 14 |
What to Know About Siak
Key Facts
Siak is a regency located in the Riau province of Indonesia, situated in the eastern part of Sumatra island along the strategic Siak River. Geographically positioned in the central region of Riau province, Siak borders the Strait of Malacca to the east, making it an important coastal administrative region. The regency covers an area of approximately 8,556 square kilometers and has a population of around 457,940 people according to recent estimates. Siak is administratively divided into 14 districts (kecamatan), which include Siak Sri Indrapura, Sungai Apit, Minas, and several others, each containing multiple villages and urban areas. Historically significant as the former seat of the Siak Sultanate, the region maintains rich cultural heritage while also being part of Riau's important economic corridor, with activities ranging from agriculture to emerging industries. For those seeking detailed location information, postal code data is available for all of Siak's districts and their constituent areas through regional administrative services.
Neighboring Regions
- Pekanbaru City
- Kampar Regency
- Pelalawan Regency
- Bengkalis Regency
- Dumai City