Disclaimer
This tutorial on How To Change Mobile Number on iTax is an independent step-by-step guide by Tutorials Kenya. We are not affiliated with or endorsed by Kenya Revenue Authority (KRA) or any government agency in Kenya. This step-by-step tutorial is for informational and educational purposes only.
The mobile number on iTax is the phone number registered to your KRA PIN and linked to your iTax account. It serves as an official contact detail that Kenya Revenue Authority (KRA) uses to identify and communicate with you when you are using iTax services.
READ ALSO: How To Change Email Address on iTax
This mobile number is used to send important alerts, verification codes (OTPs), and notifications related to your tax obligations. KRA may also use it for account verification during updates such as changing personal details or recovering access to your iTax account. Keeping the correct mobile number on iTax ensures smooth access and uninterrupted communication.
Submit Service Request
Waiting Duration: 5 minutes
You will receive your:
- KRA PIN Number
- KRA PIN Certificate
Via: Email Address and WhatsApp
How To Change Mobile Number on iTax
To successfully change mobile number on iTax, you need to carefully follow the step-by-step instructions outlined below to ensure the process is completed correctly.
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Step 1: Visit iTax

To be able to change or update your mobile number on iTax, the first thing that you need to do is to visit iTax using the url https://itax.kra.go.ke/KRA-Portal/
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Step 2: Log in to iTax

Once you are on iTax, you need to do the following; enter KRA PIN Number or National ID Number, click on “Continue” button, enter iTax Password (KRA Password), solve the arithmetic question (security stamp) and click on the “Login” button to access your iTax account.
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Step 3: Click on Registration – Amend PIN Details – Update Contact Details

In this step, from your iTax account dashboard, on the top menu, follow this sequence; click on “Registration” menu, then “Amend PIN Details” and finally “Update Contact Details” to start the process of changing and updating your mobile number on iTax.
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Step 4: Amend Contact Details

Next, select and delete the current mobile number and proceed to enter your new mobile number on iTax. Once you have entered your mobile number, you will be prompted to verify the same by sending mobile OTP to the new mobile number. Proceed by clicking on the “OK” button.
In order to continue using iTax functionality you are required to verify your mobile number.Please click “Send Mobile OTP” button to receive OTP on mentioned mobile number.
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Step 5: Send Mobile OTP

In this step, you need to click on the “Send Mobile OTP” button to receive the OTP verification code from Kenya Revenue Authority (KRA) via SMS. You will receive an SMS from KRACare stating:
Dear iTax User, Your One Time Password (OTP) is: 8**1. This OTP will expire in 15 minutes.
You need to enter that mobile OTP verification code and click on the “Submit” to complete the process of changing and amending mobile number on iTax.
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Step 6: Mobile Number Changed Successfully

In the final step, after entering the Mobile OTP on iTax, you will receive a notification stating, “Taxpayer contacts have been updated successfully. You can reprint your PIN certificate to get the new details.” This message confirms that your mobile number has been successfully changed and updated on iTax.
Submit Service Request
Waiting Duration: 5 minutes
You will receive your:
- KRA PIN Number
- KRA PIN Certificate
Via: Email Address and WhatsApp
Changing your mobile number on iTax is a straightforward process when you follow the correct steps. Begin by visiting the iTax portal and logging in using your KRA password. After signing in, go to Registration → Amend PIN Details → Update Contact Details to access your registered phone number.
READ ALSO: How To Reset KRA Password
Once there, amend your contact details by entering your new mobile number and submit the changes. After completing the update, your mobile number will be changed successfully. Keeping your mobile number up to date on iTax ensures you continue receiving important alerts and verification messages from KRA without interruption.

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