Nyamira Postal Codes – Post Offices & Zip Codes
Quick Answer
What is the Nyamira Postal Code?
The main postal code for Nyamira is 40500 (Nyamira GPO General Post Office). Nyamira County postal codes run from 40500 to 40513, covering all towns, post offices, and rural areas across the county.
Nyamira County, officially County Number 046, is one of Kenya’s smallest counties by land area, covering approximately 897.3 square kilometers in the southwestern highlands. The county lies in the area formerly known as Nyanza Province and is home to the Abagusii (Gusii) people, who share strong cultural and historical ties with neighboring Kisii County to the west.
The county capital is Nyamira Town, served by Nyamira General Post Office (GPO), which uses postal code 40500. Most postal codes listed for Nyamira County begin with 4. The county is part of the wider western Kenya region, alongside Kisumu, Homa Bay and Migori.
Nyamira County — Key Facts
| Detail | Information |
|---|---|
| Official County Name | Nyamira County |
| County Number | 046 |
| Postal Abbreviation | Use the relevant five-digit post-office code |
| Former Province | Nyanza Province |
| County Capital | Nyamira Town |
| Distance from Nairobi | Approximately 350 km west |
| Land Area | Approximately 897.3 km² |
| Population (2019 Census) | 605,576 |
| Population Density | Approximately 675 people per km² |
| Constituencies | 4 |
| Sub-Counties | 5 |
| County Assembly Wards | 20 |
| Locations | 38 (historical administrative figure) |
| Sub-Locations | 90 (historical administrative figure) |
| Main Postal Code | 40500 (Nyamira GPO) |
| First Digit in Listed County Codes | 4 |
| GPO Phone | — |
| County Government Address | Addresses vary by department; confirm with the relevant county office |
| Governor | Amos Nyaribo |
| Neighbouring Counties | Kisii, Homa Bay, Kericho, Bomet and a small section of Narok |
| Main Economic Activities | Tea farming, dairy farming and food crops |
Nyamira County Post Offices and Postal Codes
| Postal Code | Post Office / Town | Constituency / Area |
|---|---|---|
| 40500 | Nyamira (GPO — General Post Office) | West Mugirango |
| 40501 | Ikonge | North Mugirango |
| 40502 | Nyansiongo | Borabu |
| 40503 | Gesima | Kitutu Masaba |
| 40506 | Kebirigo | West Mugirango |
| 40507 | Magombo | Kitutu Masaba |
| 40508 | Magwagwa | North Mugirango |
| 40510 | Mokomoni | Kitutu Masaba |
| — | Rigoma | Kitutu Masaba |
| 40512 | Riochanda | — |
| — | Tombe | Kitutu Masaba |
| 40221 | Omogonchoro postal address entry | — |
Nyamira County Constituencies and Their Postal Codes
| Constituency | Wards | Postal Code(s) |
|---|---|---|
| Kitutu Masaba | Rigoma, Gachuba, Kemera, Magombo, Manga, Gesima | 40503, 40507 |
| West Mugirango | Nyamaiya, Bogichora, Bosamaro, Bonyamatuta, Township | 40500, 40506 |
| North Mugirango | Itibo, Bomwagamo, Bokeira, Magwagwa, Ekerenyo | 40501, 40508 |
| Borabu | Mekenene, Kiabonyoru, Esise, Nyansiongo | 40502 |
Nyamira County Wards
Nyamira County has 20 county assembly wards distributed across its four constituencies.
| Constituency | Ward Name |
|---|---|
| Kitutu Masaba | Rigoma |
| Kitutu Masaba | Gachuba |
| Kitutu Masaba | Kemera |
| Kitutu Masaba | Magombo |
| Kitutu Masaba | Manga |
| Kitutu Masaba | Gesima |
| West Mugirango | Nyamaiya |
| West Mugirango | Bogichora |
| West Mugirango | Bosamaro |
| West Mugirango | Bonyamatuta |
| West Mugirango | Township |
| North Mugirango | Itibo |
| North Mugirango | Bomwagamo |
| North Mugirango | Bokeira |
| North Mugirango | Magwagwa |
| North Mugirango | Ekerenyo |
| Borabu | Mekenene |
| Borabu | Kiabonyoru |
| Borabu | Esise |
| Borabu | Nyansiongo |
Key Institutions in Nyamira County and Their Postal Codes
Hospitals and Health Facilities
| Health Facility | Location | Postal Code |
|---|---|---|
| Nyamira County Referral Hospital (Level 5) | Nyamira Town | 40500 |
| Ikonge Dispensary | Ikonge | — |
| Nyangena Level 4 Hospital | Kemera Ward, Kitutu Masaba | — |
| Nyansiongo Sub-County Hospital | Nyansiongo, Borabu | — |
| Manga Sub-County Hospital | Manga, Kitutu Masaba | — |
| Various Health Centres and Dispensaries | All sub-counties | — |
Colleges and Training Institutions
| Institution | Location | Postal Code |
|---|---|---|
| Kenya Medical Training College (KMTC) — Nyamira Campus | Nyamira | 40500 |
| Nyamira National Polytechnic | Nyamira County | 40500 |
| Manga Technical Training Institute | Manga | — |
Secondary Schools
| School Name | Location | Postal Code |
|---|---|---|
| Nyamira Boys High School | Nyamira Town | — |
| Nyamira Girls High School | Location to confirm | — |
| Manga Boys High School | Manga | — |
| Ikonge High School | Ikonge | — |
| Nyansiongo High School | Nyansiongo | — |
| Rigoma High School | Rigoma | — |
| Kebirigo Boys High School | Kebirigo | — |
| Magombo High School | Magombo | — |
Government Offices and Key Facilities
| Office / Facility | Location | Postal Code |
|---|---|---|
| Nyamira County Government Headquarters | Nyamira Town | — |
| Nyamira County Assembly | Nyamira Town | — |
| Nyamira National Government Offices | Nyamira Town | — |
| KRA Nyamira Tax Office | Nyamira Town | — |
| SHA service point (formerly NHIF) | Confirm current service location | — |
| NSSF Nyamira Branch | Nyamira Town | — |
| Nyamira Law Courts | Nyamira Town | — |
Nyamira Post Office Contact Information
| Detail | Information |
|---|---|
| Post Office Name | Nyamira General Post Office (GPO) |
| Postal Code | 40500 |
| Town | Nyamira Town, Nyamira County |
| Nyamira GPO Phone | — |
| Kebirigo Branch Phone | — |
| Posta Kenya Customer Care | 0719 072 600 / 0730 642 600 / 020 324 2600 |
| customercare@posta.co.ke | |
| Official Website | posta.co.ke |
| Services Available | P.O. Box rental, parcel services, registered mail, money orders, MPost digital address and EMS courier; confirm availability with the branch |
Frequently Asked Questions
What is the postal code for Nyamira?
Nyamira Town’s postal code is 40500, the code assigned to Nyamira General Post Office. For mail addressed to a P.O. Box in Nyamira Town, use the box number followed by 40500, for example: P.O. Box [Number]-40500, Nyamira, Kenya.
What is the ZIP code for Nyamira, Kenya?
Kenya uses postal codes rather than the United States ZIP code system. If an online form asks for a ZIP code for a Nyamira Town address, enter 40500. For another town in Nyamira County, use the code registered to the recipient’s post office or P.O. Box.
What is the postal code for Ikonge?
40501
What is the postal code for Nyansiongo?
40502
What is the postal code for Kebirigo?
40506
What is the postal code for Gesima?
40503
What is the postal code for Magombo?
Magombo’s postal code is 40507. It is in Kitutu Masaba Constituency.
