Solomon Islands flag

Guadalcanal Postal Codes: No Official Code

According to the Universal Postal Union (UPU), there is no official Postal Codes for Guadalcanal, as Solomon Islands does not use a national system. Use N/A or 00000 to complete shipping forms for Guadalcanal, .

Postal Codes for Places in Guadalcanal

Showing 21 places in Guadalcanal. Last verified with official records on May 2, 2026.

Aola
Avuavu
Birao
Duidui
Ghaobata
Kolokarako
Longgu
Malango
Moli
Paripao
Saghalu
Savulei
Talise
Tandai
Tangarare
Tasimboko
Tetekanji
Valasi
Vatukulau
Vulolo
Wanderer Bay

Sample Address Format for Guadalcanal

No official zip/postal code is used here. In forms you may use 00000 or N/A.
Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Guadalcanal, 00000
SOLOMON ISLANDS

Guadalcanal on the Map

The map above highlights the geographic boundaries of the Guadalcanal provinces in Solomon Islands.

Guadalcanal Quick Facts

CountrySolomon Islands (SB)
Administrative PathSolomon Islands
Postal Code
ISO CodesSB / SLB / 90
Top-level domain (ccTLD).sb
Coordinates-9.598421, 160.148512
Places21

What to Know About Guadalcanal

Key Facts

Guadalcanal is a province of the Solomon Islands, serving as one of the country's nine administrative divisions. Located in the central part of the Solomon Islands archipelago, Guadalcanal is the largest island in the nation and is situated southeast of the capital territory, Honiara, which lies on the island's northwestern coast. The province covers an area of approximately 5,336 square kilometers and has a population of around 93,600 people, making it one of the most populous provinces in the country. Guadalcanal is divided into two parliamentary constituencies and contains numerous local communities and villages spread across its diverse landscape, which ranges from coastal plains to mountainous interiors, including the iconic Mount Popomanaseu, the highest peak in the Solomon Islands. The province plays a crucial role in the nation's economy and history, particularly noted for the World War II Battle of Guadalcanal. To access detailed postal code information for the various communities and sub-regions within Guadalcanal Province, you can explore the specific municipal and local area listings available on our platform.

Postal codes verified against the official UPU POST*CODE Database (latest available edition) Β· Page updated: