Machakos County in Kenya’s Eastern region uses the five‑digit postal code system administered by Posta Kenya for efficient mail delivery and addressing. Each area in the county has a unique code that identifies its postal office and delivery zone.
Key Information
| Item | Detail |
|---|---|
| County | Machakos |
| Country | Kenya |
| Postal Code Format | 5‑digit numeric |
| Postal Code Prefix | 90xxx |
| Admin System | Posta Kenya |
| Coverage | All official locations in Machakos |
Postal Codes of Machakos
Below is a table showing all key places in Machakos with their postal codes.
| Location Name | District Name | Postal Code |
|---|---|---|
| Machakos Town | Machakos Town Constituency | 90100 |
| Masii | Mwala | 90101 |
| Mwala | Mwala | 90102 |
| Mitaboni | Kathiani | 90104 |
| Kathiani | Kathiani | 90105 |
| Katangi | Kathiani | 90106 |
| Kaviani | Kathiani | 90107 |
| Kola | Machakos Town Constituency | 90108 |
| Lita | Machakos County | 90109 |
| Mbiuni | Machakos County | 90110 |
| Kivunga | Machakos County | 90111 |
| Miu | Machakos County | 90112 |
| Muthetheni | Machakos County | 90113 |
| Muumandu | Machakos County | 90114 |
| Kangundo | Machakos County | 90115 |
| Ndalani | Machakos County | 90118 |
| Matuu | Machakos County | 90119 |
| Iiani | Machakos County | 90120 |
| Emali | Mwala / Makueni** | 90121 |
| Ekalakala | Machakos County | 90139 |
| Masinga | Machakos County | 90141 |
| Daystar | Machakos County | 90145 |
| Chumvi | Machakos County | 90147 |
About Postal Codes in Machakos
Machakos County’s postal codes are part of Kenya’s five‑digit national addressing system, where the first digit (9) denotes the Eastern postal region and the remaining digits identify the distribution area and delivery office in that zone.
The county’s main postal hub, Machakos Town (90100), serves as a central sorting point for mail and parcels, with numerous sub‑locations and surrounding towns each having distinct codes within the county’s 90xxx range. Notable town codes include Masii (90101), Mwala (90102), Mitaboni (90104), and Kathiani (90105), reflecting key commercial and administrative centres.
Smaller localities such as Lita (90109), Mbiuni (90110), and Kivunga (90111) also have dedicated codes to support accurate mail delivery, logistics, and service addressing across the region. Some areas like Emali (90121) lie on the border with neighbouring counties but are included here based on postal coverage patterns.