Wewak Postal Codes: 531 | East Sepik
The Postal Codes for Wewak is 531 in East Sepik, East Sepik, Papua New Guinea. The table below lists Postal Codes and postcodes for places within Wewak.
Postal Codes for Places in Wewak
Showing 5 places in Wewak. Last verified with official records on April 20, 2026.
| Boikin Dagua | |
| Turubu | |
| Wewak (rural) | |
| Wewak (urban) | |
| Wewak Islands |
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Sample Address Format for Wewak
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Wewak, East Sepik, 531
PAPUA NEW GUINEA
Wewak on the Map
The map above highlights the geographic boundaries of the Wewak districts in Papua New Guinea.
Wewak Quick Facts
| Country | Papua New Guinea (PG) |
|---|---|
| Administrative Path | Papua New Guinea → East Sepik |
| Postal Code | 531 |
| Provinces | East Sepik |
| ISO Codes | PG / PNG / 598 |
| Top-level domain (ccTLD) | .pg |
| Coordinates | -3.55422, 143.62709 |
| Places | 5 |
What to Know About Wewak
Key Facts
Wewak is the capital of East Sepik Province in Papua New Guinea, serving as the primary administrative and commercial center for the region. Located on the northern coast of Papua New Guinea along the Bismarck Sea, Wewak occupies a strategic coastal position at the mouth of the Sepik River, approximately 875 kilometers northwest of the national capital, Port Moresby. The town covers an area of about 16 square kilometers and has an estimated population of around 25,000 people, making it one of the larger urban centers in the country's northern regions. Wewak is divided into several wards and suburban areas that facilitate local governance and community organization. As the provincial capital, it hosts key government offices, educational institutions including the University of Papua New Guinea's Wewak Campus, and serves as a vital transportation hub with an international airport and seaport connecting the Sepik region to other parts of the country. The town's economy is primarily based on government services, trade, and small-scale commerce, with growing importance in tourism due to its proximity to the famous Sepik River culture and the nearby islands of the Bismarck Archipelago. For detailed postal code information and addressing within Wewak's various suburban areas and wards, comprehensive postal code data is available for accurate mail delivery and location identification.
Neighboring Regions
- Yangoru-Saussia
- Wosera-Gawi
- Ambunti-Dreikikir