Ziwani/Kariokor Postal Code 00300 (Starehe): All Areas
Quick Answer:
- Postal Code(s): 00300
- Sub-County: Starehe
- Location: Central to north-eastern Nairobi
- Population (2019): About 20,000 (ward-level projection)
- Ward Type: Dense mixed-use urban (residential, markets, light industry)
- Main Areas: Kariokor Market area, Ziwani Estate, Gikomba environs, Juja Road/Kinyanjui Road corridor
Ziwani/Kariokor Ward mainly uses postal code 00300 through the Kariokor and nearby commercial post office network, with some institutions choosing alternative Nairobi P.O. Box codes such as 00100 linked to Nairobi GPO. The ward lies within Starehe Constituency in central Nairobi, covering older estates, busy market zones, and mixed commercial–residential streets between Juja Road, the Kariokor–Gikomba corridor, and surrounding inner-city neighborhoods.
Neighboring Wards & Boundaries
| Direction | Neighboring Ward/Area | Sub-County | Postal Code |
|---|---|---|---|
| North | Ngara area and estates | Starehe | 00600 (Ngara) |
| South | Gikomba market environs towards Kamukunji | Starehe / Kamukunji vicinity | 00300 / 00400 used in adjacent commercial areas |
| East | Sections towards Eastleigh and Pumwani direction | Starehe / Kamukunji vicinity | 00300 and nearby commercial codes |
| West | Inner-city areas towards Nairobi Central | Starehe | 00200 (City Square) and 00100 (Nairobi GPO) for many CBD P.O. Boxes |
Postal Codes For Ziwani/Kariokor (Starehe)
| # | Ward/Area | Location / Facility | Postal Code |
|---|---|---|---|
| MAJOR AREAS & LANDMARKS | |||
| 1 | Ziwani Estate | Ziwani Estate Residential Area | 00300 |
| 2 | Kariokor | Kariokor Market Area | 00300 |
| 3 | Kariokor | Kariokor Cemetery Environs | 00300 |
| 4 | Gikomba Environs | Gikomba Market Fringe near Kariokor | 00300 |
| 5 | Ziwani/Kariokor | Juja Road–Kinyanjui Road Corridor | 00300 |
| 6 | Ziwani/Kariokor | Racecourse/Pangani junction side of Kariokor | 00300 |
| MAJOR ROADS & ACCESS | |||
| 15 | Ziwani/Kariokor | Juja Road segment serving Ziwani/Kariokor | 00300 |
| 16 | Kariokor | Kinyanjui Road from Kariokor Market to Gikomba | 00300 |
| 17 | Ziwani Estate | Internal Estate Access Roads (Ziwani local streets) | 00300 |
| 18 | Kariokor Area | Link roads towards Pangani and Racecourse | 00300 |
| COMMERCIAL & MARKETS | |||
| 25 | Kariokor | Kariokor Market (handicrafts, auto, and general market) | 00300 |
| 26 | Gikomba Fringe | Stalls and shops at Gikomba edge serving Ziwani residents | 00300 |
| 27 | Ziwani Estate | Local shopping kiosks and trading centres in Ziwani Estate | 00300 |
| 28 | Kariokor Area | Roadside traders along Kinyanjui Road | 00300 |
| SCHOOLS & EDUCATION | |||
| 35 | Ziwani Estate | Ziwani Day Nursery | 00300 |
| 36 | Kariokor/Juja Road | St. Catherine’s Primary School (Juja Road, near Kariokor–Gikomba section) | 00300 |
| 37 | Ziwani/Kariokor | Daima Primary School (serving Ziwani/Kariokor area) | 00300 |
| 38 | Ziwani/Kariokor | Other public primary schools listed under Starehe near Kinyanjui Road corridor | 00300 |
| 39 | Ziwani/Kariokor | ECD centres attached to primary schools in the ward | 00300 |
| HEALTHCARE FACILITIES | |||
| 50 | Ziwani Estate | Local clinics and chemists within Ziwani Estate | 00300 |
| 51 | Kariokor Area | Small health centres serving traders and residents near the market | 00300 |
| 52 | Juja Road/Kinyanjui Road | Dispensaries and private clinics along main roads | 00300 |
| RELIGIOUS CENTERS | |||
| 60 | Ziwani Area | A.I.C Ziwani Church (serving Ziwani community) | 00300 |
| 61 | Kariokor Area | Kariokor Methodist Church near Racecourse/Pangani side | 00300 |
| 62 | Ziwani/Kariokor | Other churches within Ziwani Estates and market fringe | 00300 |
| COMMUNITY & SOCIAL FACILITIES | |||
| 70 | Ziwani Estate | Ziwani Ward Office vicinity and community space | 00300 |
| 71 | Kariokor Area | Market social spaces and informal meeting points for traders | 00300 |
| 72 | Gikomba Fringe | Shared community spaces serving both Ziwani/Kariokor and nearby wards | 00300 |
| POSTAL SERVICES | |||
| 75 | Kariokor/Nearby CBD | Addresses using 00300 Kariokor code for market and estate P.O. Boxes | 00300 |
| 76 | Nairobi GPO | Nairobi GPO P.O. Boxes used by some Ziwani/Kariokor institutions | 00100 |
| 77 | City Square | City Square P.O. Boxes used for some central Starehe establishments | 00200 |
Frequently Asked Questions
1. What is the postal code for Ziwani/Kariokor?
Ziwani/Kariokor mainly uses postal code 00300 for residential estates, markets, and most local businesses. Most addresses in the ward can safely use 00300, though some institutions may register P.O. Boxes at 00100 or 00200 in the CBD.
2. Where is the nearest post office to Ziwani/Kariokor?
The nearest full-service postal facilities are Nairobi GPO (00100) and City Square Post Office (00200) in the central business district, reachable quickly by matatu or bus along Juja Road and connecting routes.
3. What is the postal code for Kariokor Market area?
Kariokor Market and the surrounding commercial zone commonly use postal code 00300, which is associated with Kariokor-linked addresses in central Nairobi.
4. Does Ziwani/Kariokor have its own post office?
There is no widely listed standalone “Ziwani/Kariokor” post office; instead, the ward is served by central Nairobi facilities like Nairobi GPO, City Square, and nearby Ngara or Pangani offices.
5. What areas are covered by postal code 00300?
Postal code 00300 is used for parts of central Nairobi including Kariokor, segments of the Gikomba commercial area, and nearby inner-city zones within Starehe.
6. Can I use 00100 instead of 00300 in Ziwani/Kariokor?
You can only use 00100 if your P.O. Box is registered at Nairobi GPO, because postal codes in Nairobi follow the post office where the box is held, not your physical home address. If your box or nearest office is linked to Kariokor, 00300 is the correct code.
