West Gem Postal Codes: 40600 | Gem, Siaya
The Postal Codes for West Gem is 40600 in Gem, Siaya, Gem, Kenya. The table below lists Postal Codes and postcodes for places within West Gem.
Postal Codes for Places in West Gem
Showing 8 places in West Gem. Last verified with official records on April 20, 2026.
| Dienya West | |
| Dienye East | |
| Malunga East | |
| Malunga West | |
| Nguge | |
| Ulamba | |
| Uriri | |
| Wagai |
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Sample Address Format for West Gem
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
West Gem, Gem, Siaya, 40600
KENYA
West Gem on the Map
The map above highlights the geographic boundaries of the West Gem councils in Kenya.
West Gem Quick Facts
| Country | Kenya (KE) |
|---|---|
| Administrative Path | Kenya โ Siaya โ Gem |
| Postal Code | 40600 |
| County | Siaya |
| Constituencies | Gem |
| ISO Codes | KE / KEN / 404 |
| Top-level domain (ccTLD) | .ke |
| Coordinates | 0.033584, 34.423987 |
| Places | 8 |
What to Know About West Gem
Key Facts
West Gem is a ward located within Gem Constituency in Siaya County, Kenya. Situated in the western part of Gem Constituency, this administrative division lies in the broader Nyanza region of western Kenya, approximately 50 kilometers northwest of Kisumu, the regional capital. West Gem covers an area of approximately 45 square kilometers and has a population of around 15,000 residents according to recent census data. The ward is characterized by rolling hills and fertile agricultural land, with the majority of residents engaged in subsistence farming, particularly maize, beans, and sugarcane cultivation. West Gem is divided into several smaller village units and contains multiple primary schools, health centers, and local markets that serve the community's daily needs. The ward's infrastructure includes a network of rural roads connecting it to neighboring areas and major transportation routes. As part of Kenya's devolved government system, West Gem benefits from county-level services while maintaining its local administrative functions. This ward provides access to postal code information for its constituent villages and serves as an important administrative unit for local governance and service delivery.
Neighboring Regions
- East Gem
- North Gem
- South Gem
- Yala Township