Solomon Islands Postal Codes

Solomon Islands Postal Codes are located here. Solomon Islands zip codes can be accessed by clicking each capital territory.

Capital Territory in Solomon Islands

Solomon Islands on the Map

Solomon Islands zip codes can be seen on the map. All postcodes of Solomon Islands can be viewed under each capital territory.

About Solomon Islands

Geography and Climate

The Solomon Islands is a sovereign state in the South Pacific Ocean, situated to the east of Papua New Guinea and northwest of Vanuatu. It consists of six major islands and more than 900 smaller islands, spreading across an area of approximately 28,400 square kilometers. The country lies within the Melanesian region, with the Coral Sea to the south and the Solomon Sea to the north and west. Its geography is marked by rugged volcanic mountains, dense tropical forests, and low-lying coral atolls. Significant islands include Guadalcanal, Malaita, Choiseul, and Makira, each with distinct landscapes and communities. The islands are traversed by numerous rivers and streams, though none are long or navigable. The coastline is diverse, with lagoons, mangrove swamps, and coral reefs supporting rich biodiversity. The Solomon Islands has a tropical rainforest climate, characterized by high humidity, heavy rainfall, and consistently warm temperatures year-round. Rainfall is heaviest from November to April, often coinciding with the cyclone season, while the period from May to October is relatively drier due to southeast trade winds.

Brief History and Government

The official name of the country is the Solomon Islands. The islands were settled thousands of years ago by Austronesian-speaking peoples, and later formed part of Melanesian cultural and trade networks. European contact began in the 16th century, and by the late 19th century, the British established control, declaring the Solomon Islands a protectorate in 1893. A major historical event occurred during World War II, when the Battle of Guadalcanal (1942–1943) became a decisive campaign in the Pacific theater. The country moved toward self-rule in the mid-20th century and gained full independence from Britain on July 7, 1978. Today, it operates as a parliamentary democracy under a constitutional monarchy, recognizing the British monarch as head of state, represented locally by a governor-general, while executive power is held by a prime minister and cabinet. The capital city is Honiara, located on Guadalcanal Island, which serves as the administrative, political, and commercial hub of the nation.

Population, Language, and Culture

As of 2025, the Solomon Islands has an estimated population of around 750,000 people, most of whom live in rural areas, though urbanization is gradually increasing in and around Honiara. The official language is English, used in government, education, and formal communication, but it is spoken fluently by only a minority of the population. The most widely spoken lingua franca is Solomon Islands Pijin, while over 70 Indigenous languages are used across the archipelago, reflecting the nation’s extraordinary linguistic diversity. Culturally, the islands maintain strong traditions in art, music, and storytelling, deeply tied to clan and community life. A unique cultural aspect is the panpipe music of Malaita Island, which is internationally recognized for its distinct sound and rhythmic complexity. Traditional crafts, such as woodcarving and shell jewelry, remain important both for cultural expression and tourism.

Economy and Currency

The economy of the Solomon Islands is largely dependent on natural resources, agriculture, and fisheries, with forestry and logging serving as the primary sources of export revenue. Timber, particularly tropical hardwoods, is the leading export, though concerns about sustainability have emerged. Agriculture provides livelihoods for most citizens, with subsistence farming of root crops, bananas, and coconuts being widespread, alongside cash crops like cocoa and palm oil. Fishing, particularly tuna, is both a domestic staple and an export commodity. The country also possesses mineral resources, including gold and bauxite, with mining contributing to government revenue. Tourism, though underdeveloped, has potential due to the islands’ pristine reefs, diving sites, and cultural heritage. The official currency is the Solomon Islands dollar (SBD), regulated by the Central Bank of the Solomon Islands.

The Postal Code System

Postal services in the Solomon Islands are operated by the Solomon Islands Postal Corporation (SIPC), which manages domestic and international mail delivery. However, the country does not use a formal postal code system. Instead, mail is addressed using the recipient’s name, village or street, province or island, and “Solomon Islands” as the country designation. In practice, most residents and businesses rely on post office boxes, particularly in urban areas such as Honiara, where the central post office handles the majority of mail distribution. For rural communities across the scattered islands, mail delivery is often coordinated through provincial post offices or collected directly from designated postal agencies. While the lack of postal codes can present challenges for modern logistics and e-commerce, the relatively small population and community-based addressing system allow mail to reach its destinations effectively. International mail is routed via Honiara, where it is sorted manually for onward distribution throughout the islands.

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Solomon Islands Information

UPU Official NameSolomon Islands
CapitalHoniara
ISO alpha-2SB
ISO alpha-3SLB
ISO No90
Country Code+677
Phone Code+677
Area28.450 km2
CurrencyDollar (SBD)
Population652.858
TLD.sb
Entry into UPU