Tewae-Siassi Postal Codes: 432 | Morobe
The Postal Codes for Tewae-Siassi is 432 in Morobe, Morobe, Papua New Guinea. The table below lists Postal Codes and postcodes for places within Tewae-Siassi.
Postal Codes for Places in Tewae-Siassi
Showing 3 places in Tewae-Siassi. Last verified with official records on April 23, 2026.
| Sialum | |
| Siassi | |
| Wasu |
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Sample Address Format for Tewae-Siassi
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Tewae-Siassi, Morobe,
PAPUA NEW GUINEA
Tewae-Siassi on the Map
The map above highlights the geographic boundaries of the Tewae-Siassi districts in Papua New Guinea.
Tewae-Siassi Quick Facts
| Country | Papua New Guinea (PG) |
|---|---|
| Administrative Path | Papua New Guinea → Morobe |
| Postal Code | 432 |
| Provinces | Morobe |
| ISO Codes | PG / PNG / 598 |
| Top-level domain (ccTLD) | .pg |
| Coordinates | -6.15, 147.5333 |
| Places | 3 |
What to Know About Tewae-Siassi
Key Facts
Tewae-Siassi is a district located in the Morobe Province of Papua New Guinea, situated in the northeastern part of the country. This district encompasses the Siassi Islands, which lie in the Vitiaz Strait between the mainland of Papua New Guinea and the island of New Britain. Tewae-Siassi is known for its archipelagic nature, consisting of several islands including Umboi, Tolokiwa, and Sakar, with Umboi Island being the largest and most significant. The district covers an approximate area of 2,500 square kilometers and has a population of around 40,000 people, primarily engaged in subsistence agriculture, fishing, and small-scale trading. Administratively, Tewae-Siassi is divided into several local-level government areas, including Siassi Rural and Tewae Rural, which help manage local governance and services. The district's economy is largely based on copra production, fishing, and limited tourism, with transportation relying heavily on boats and small aircraft due to its island geography. For those seeking detailed information about the sub-regions within Tewae-Siassi, this platform provides access to comprehensive postal code data and administrative details for each area.
Neighboring Regions
- Kabwum
- Finschhafen
- Wasu