Kalimantan Barat Postal Codes: 78111 to 79682

Key Facts

Kalimantan Barat, commonly known as West Kalimantan, is a province of Indonesia located on the western side of the island of Borneo. It occupies a strategic position in the northwestern part of Indonesian Borneo, sharing extensive land borders with the Malaysian state of Sarawak to the north and maritime boundaries with the South China Sea to the west. Covering an area of approximately 147,307 square kilometers, West Kalimantan is one of Indonesia's largest provinces by land area and is home to a diverse population of around 5.4 million people according to recent estimates. The province is administratively divided into 12 regencies and 2 cities, with Pontianak serving as both the provincial capital and its largest urban center. Characterized by its tropical rainforest climate, extensive river systems including the Kapuas River (Indonesia's longest river), and significant biodiversity, West Kalimantan's economy is primarily driven by agriculture, mining, and forestry. The province maintains its unique cultural heritage with various Dayak ethnic groups alongside Malay, Chinese, and other communities coexisting harmoniously. For comprehensive postal code information covering all municipalities and districts within West Kalimantan, detailed regional data is readily accessible through our platform.

Neighboring Regions

• Sarawak (Malaysia)
• Kalimantan Tengah
• Kalimantan Timur