Postal Code 00100 (GPO, Nairobi): Location & Services
Key facts (00100 – Nairobi GPO):
- Postal code: 00100 – Nairobi GPO
- Main post office name: General Post Office (Nairobi GPO)
- Location: Kenyatta Avenue, Nairobi CBD (historic GPO building)
- Coverage: Central Nairobi CBD corridors, including parts of Kenyatta Avenue, Haile Selassie Avenue, Moi Avenue, University Way, and nearby towers and public institutions
- Service type: Full-service head post office offering mail, parcels, EMS, P.O. Boxes, payment, and online-enabled services as per Posta Kenya
- Key areas served: Nairobi CBD core (government offices, banks, corporates, retail, and service businesses using 00100 in their mailing address)
Postal code 00100 is assigned to the General Post Office (GPO) in central Nairobi and is the main postal code for the city’s central business district. The Nairobi GPO is located along Kenyatta Avenue in the CBD and functions as the national headquarters and primary sorting and distribution hub for mail and parcels.
The 00100 code is widely used for CBD addresses around Kenyatta Avenue, Haile Selassie Avenue, Moi Avenue, University Way and surrounding office buildings and institutions. From this central office, customers can access core postal services including ordinary mail, EMS courier, P.O. Boxes, parcel services and Posta payment solutions, with detailed operating hours and counter times best confirmed directly with the office.
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Postal Services Available at General Post Office (Nairobi GPO)
| Service Category | Service Description | Pricing / Access Information |
|---|---|---|
| Domestic Mail | Letter and small packet delivery within Kenya (≈24 hrs same town, ≈2 days nationwide). | Confirm tariffs at Posta Kenya or Nairobi GPO counters. |
| International Mail | Outbound letters & packets via air, surface & regional land routes. | Varies by destination, weight & service. Confirm at GPO or official tariffs page. |
| Private Letter Boxes / Bags | Rental of P.O. Boxes & mail bags for individuals, corporates, institutions. | Typical annual charges: Individual ~Ksh 2,000; Corporate ~Ksh 9,450; Special corporate ~Ksh 6,225; Learning/religious ~Ksh 7,725; Sub-post office ~Ksh 1,320; Key deposit ~Ksh 560; E-Citizen fee ~Ksh 50. Confirm current rates before paying. |
| Direct Mail Marketing (DMM) | Addressed & unaddressed promotional mail for campaigns & notices. | Pricing is campaign-based; request a quotation from Posta Kenya. |
| Business Reply Service (BRS) | Pre-addressed response envelopes/cards; customers reply free; business pays per returned item. | Set-up & per-item charges agreed with Posta Kenya corporate services. |
| Franked Mail | Handling of postage through licensed franking machines for high-volume mailers. | Requires license & top-ups; tariffs available from Posta Kenya. |
| Philately | Mint stamps, commemoratives, FDCs, souvenir folders, packs. | Prices vary; check availability & rates at Nairobi GPO. |
| M-Post (Virtual P.O. Box) | Virtual P.O. Box linked to mobile number with SMS alerts. | Registration ~Ksh 400/year. Confirm current price at registration. |
| EMS International | Express international courier with tracking & customs handling. | Rates depend on weight, speed & destination; obtain current EMS tariff at GPO. |
| EMS Domestic (Same Day / Overnight / Bulk / Custom) | Time-definite urgent domestic courier services. | Tariffs based on distance, weight & service level; get quotation at EMS counter. |
| Posta Parcel Domestic | Standard parcel delivery within Kenya. | Price varies by weight & destination; check parcel rate cards at Posta offices. |
| Posta Parcel International | International parcel delivery (air, surface, hybrid) with tracking. | Charges vary by route, destination & weight; confirm at GPO. |
| Posta Cargo (Clearing & Forwarding) | Clearing, forwarding & logistics for containers, vehicles & bulk cargo. | Quotation-based; contact Posta Cargo. |
| PostaPay (Digital Wallet & Agency) | Digital wallet for transfers, bill pay, airtime, merchant services. | Access via PostaPay app or USSD; fees shown in-app or at branches. |
| Money Orders (Domestic & Institutional) | Paper-based money transfer for individuals & institutions (schools, colleges). | Fees depend on amount & type; check current tariffs at counter. |
| Agency Banking (Posta Pesa) | Banking services for partner banks (withdrawals, deposits, balance checks). | Charges follow partner bank tariffs; confirm at counter. |
| Utility & Bill Payments | Payment of electricity, water, pay-TV & other utilities at counters. | Usually face value; any convenience fee shown at counter. |
| Mobile Money Agency Services | Cash-in/out & related services for mobile money providers. | Standard mobile money tariffs apply. |
| Online P.O. Box Services | Online application & management of P.O. Boxes. | Access via official P.O. Box portal; online fees shown during process. |
| Office Locator (Online) | Online tool to locate Posta branches. | https://posta.co.ke/post-offices/ |
| Parcel Tracking (Online) | Online tracking for Posta & EMS items. | Use official tracking URL provided on the Posta website. |
| E-commerce & Pick-and-Drop | Delivery solutions for online merchants including pick-up/drop-off. | Merchant-specific pricing; request a quotation. |
Alternative (Nearby) Post Offices for 00100 Users
| Post Office Name | Distance / Location Description | Postal Code |
|---|---|---|
| City Square Post Office | Within Nairobi CBD, north of GPO in the City Square area of Starehe Constituency. | 00200 |
| Railway Station Post Office | Near Nairobi Railway Station and Muthurwa area, a short distance from the CBD core. | 00525 |
| Ronald Ngala Street Post Office | Along Ronald Ngala Street on the eastern side of the CBD. | 00300 |
| Tom Mboya Street Post Office | Around Tom Mboya Street and the main bus termini zone within the CBD. | 00400 |
Posta Kenya Contacts
| Contact Type | Details |
|---|---|
| Posta Kenya Headquarters | Posta House, Kenyatta Avenue, Nairobi P.O. Box 34567 – 00100 GPO |
| Pilot Lines | 0730642000 / 0719072000 / 0203242000 |
| Customer Care | 0719072600 / 0730642600 / 0203242600 |
| info@posta.co.ke pmg@posta.co.ke customercare@posta.co.ke treasur | |
| Website | https://posta.co.ke/contact/ posta |
| Operating Hours | Monday – Friday: 8:00 AM – 5:00 PM (Closed on Sundays and public holidays for headquarters offices; branch-specific hours should be confirmed directly) |
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