Siantar Postal Codes: 21151 | Simalungun, Sumatera Utara
The Postal Codes (Kode pos) for Siantar is 21151 in Simalungun, Sumatera Utara, Simalungun, Indonesia. The table below lists Postal Codes and postcodes for places within Siantar.
Postal Codes for Places in Siantar
Showing 17 places in Siantar. Last verified with official records on April 21, 2026.
| Dolok Hataran | |
| Dolok Marlawan | |
| Karang Bangun | |
| Laras Dua | |
| Lestari Indah | |
| Marihat Baris | |
| Nusa Harapan | |
| Pantoan Maju | |
| Pematang Silampuyang | |
| Pematang Simalungun | |
| Rambung Merah | |
| Sejahtera | |
| Siantar Estate | |
| Silampuyang | |
| Silau Malaha | |
| Silau Manik | |
| Sitalasari |
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Sample Address Format for Siantar
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Siantar, Simalungun, Sumatera Utara, 21151
INDONESIA
Siantar on the Map
The map above highlights the geographic boundaries of the Siantar districts in Indonesia.
Siantar Quick Facts
| Country | Indonesia (ID) |
|---|---|
| Administrative Path | Indonesia β Sumatera Utara β Simalungun |
| Postal Code | 21151 |
| Province | Sumatera Utara |
| Regencies | Simalungun |
| ISO Codes | ID / IDN / 360 |
| Top-level domain (ccTLD) | .id |
| Coordinates | 2.972551, 99.09613 |
| Places | 17 |
What to Know About Siantar
Key Facts
Siantar is a city located in Simalungun Regency, North Sumatra, Indonesia. Positioned in the central part of the regency, Siantar serves as an important urban center and administrative hub within the region. The city covers an area of approximately 40 square kilometers and has a population of around 240,000 people, making it one of the significant urban settlements in North Sumatra province. Siantar is administratively divided into 8 districts (kecamatan), which are further subdivided into numerous villages and urban wards. Strategically located along major transportation routes, the city functions as a commercial and economic center for the surrounding agricultural hinterland, known for its production of palm oil, rubber, and various food crops. The city's infrastructure includes educational institutions, healthcare facilities, and commercial establishments that serve both its residents and people from neighboring areas. As an urban center within Simalungun Regency, Siantar plays a crucial role in regional development and governance. To access detailed postal code information for Siantar's districts and neighborhoods, users can navigate through the specific sub-regional listings available on this platform.
Neighboring Regions
- Dolok Pardamean
- Siantar Marimbun
- Siantar Marihat
- Siantar Selatan
- Siantar Barat
- Siantar Timur
- Siantar Utara
- Siantar Martoba
Other Districts
- Bandar
- Bandar Huluan
- Bandar Masilam
- Bosar Maligas
- Dolog Masagal
- Dolok Batu Nanggar
- Dolok Panribuan
- Dolok Pardamean
- Dolok Silau
- Girsang Sipangan Bolon
- Gunung Malela
- Gunung Maligas
- Haranggaol Horison
- Hatonduhan
- Hutabayu Raja
- Jawa Maraja Bah Jambi
- Jorlang Hataran
- Panei
- Panombean Panei
- Pematang Bandar
- Pematang Sidamanik
- Pematang Silimahuta
- Purba
- Raya
- Raya Kahean