Safaricom Postpaid
Pay your Safaricom postpaid mobile bill (voice, data, SMS) via M-Pesa.
Paybill
100 100
Pay smarter
Calculate what this transaction will cost
Use the M-Pesa fees calculator to see the exact 2026 cost — in KES or your home currency if you're paying from abroad.
Open calculatorHow to pay Safaricom
M-Pesa
Pay via M-Pesa 100 100
- Open M-Pesa — dial *334# or open the M-Pesa app.
- Select Lipa na M-Pesa, then Pay Bill.
- Enter Business Number: 100 100
- Enter Account (Phone Number): Your Safaricom postpaid line number (07xx xxx xxx).
- Enter the amount — in KES.
- Enter your M-Pesa PIN and confirm. You'll get an SMS confirmation.
Account format
Phone Number: Your Safaricom postpaid line number (07xx xxx xxx).
Calculator preview
M-Pesa fees for Safaricom
| Amount | M-Pesa fee | Total cost | % fee |
|---|---|---|---|
| KES 50 | Free | KES 50 | — |
| KES 200 | KES 5 | KES 205 | 2.50% |
| KES 1,000 | KES 10 | KES 1,010 | 1.00% |
| KES 5,000 | KES 34 | KES 5,034 | 0.68% |
| KES 20,000 | KES 62 | KES 20,062 | 0.31% |
About Safaricom
Pay your Safaricom postpaid mobile bill (voice, data, SMS) via M-Pesa.
- Sector
- Telecom
- Official site
- safaricom.co.ke
Frequently asked about Safaricom
What is Safaricom's paybill number?
Safaricom's M-Pesa paybill is 100100. Pay your Safaricom postpaid mobile bill (voice, data, SMS) via M-Pesa.
How do I pay Safaricom via M-Pesa?
Open M-Pesa, select Lipa na M-Pesa, then Pay Bill. Enter business number 100100, then your account (Your Safaricom postpaid line number (07xx xxx xxx).), then the amount, then confirm with your M-Pesa PIN.
What account number do I use for Safaricom?
Your Safaricom postpaid line number (07xx xxx xxx).
Can I pay Safaricom from abroad?
Yes — diaspora users typically send via remittance services like Wise, Sendwave, Lemfi, or WorldRemit, which deposit directly to Safaricom's paybill 100 100. Compare fees on our diaspora hub before sending.
What are the M-Pesa fees for paying Safaricom?
M-Pesa charges a transaction fee based on the amount sent. Use our M-Pesa fees calculator to see the exact 2026 cost for any amount.
What if I pay the wrong amount or use the wrong paybill?
Contact Safaricom support immediately with your M-Pesa transaction code. If you sent to the wrong paybill entirely, contact Safaricom on 100 (free from a Safaricom line) within 7 days to request a reversal — though success isn't guaranteed.
How do I confirm my payment to Safaricom went through?
M-Pesa sends a free SMS confirmation with a transaction code (e.g., ABC12DEF345). Save this code — it's your proof of payment. Safaricom should also confirm receipt via their channels.
Further reading
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Paybill displayed: 100 100 (mpesa paybill). How we verify.