How to Link Aadhaar with Mobile Number Online and Offline?

Last Updated: 18 Aug 2025

Registering your Aadhaar with your mobile number is a must-have to access your government services and your complete and safe digital verification. This can be done both on and offline, which is flexible to all users.

Whether you are changing your number or linking Aadhaar to your first-time mobile, here is a simple guide to linking your Aadhaar to your mobile in an easy step-by-step method.

How to Link Mobile Number with Aadhaar – Online Method?

Here is how you can link Aadhaar mobile number without visiting an Enrolment/Update centre:

• Step 1: Go to the “India Post service request” website and fill out the required information.
• Step 2: Enter details like your name, address, PIN code, mobile number, and email address.
• Step 3: Under the ‘Service’ drop-down list, choose ‘PPB- Aadhaar Service’.
• Step 4: Select ‘UIDAI-Mobile/Email to Aadhaar linking/update’ in the sub-category drop-down list.
• Step 5: After filling in all the necessary fields, click on the ‘Request OTP’ button.
• Step 6: Now, a new webpage will load, and you have to enter the OTP received on your mobile number.
• Step 7: In the next step, click on ‘Confirm Service Request’. You will receive a reference number where you can track your application status.
• Step 8: The service request will be sent to your nearest post office on successful submission.
• Step 9: The verification process will be completed by an officer assigned to the task. The authorised person will visit your address and verify your identity using a mobile biometric device for iris, fingerprints and photographs.
• Step 10: They will complete the update/linking process and charge you the applicable fee.

How to Link Aadhaar with Mobile Number Offline

To link your mobile number to Aadhaar, there are some steps that you need to follow. Here is the step-by-step Aadhaar mobile linking process through offline services:

• Step 1: Go to your closest enrollment/updation centre and collect an Aadhaar update form.
• Step 2: Provide your correct details and mobile no. Also, the form can be downloaded from the UIDAI site.
• Step 3: On the form, mention that it is the mobile number only that has to be updated. As soon as you have filled the form, submit it to the appointed office with a photocopy of your Aadhaar card as well as one ID proof, such as your PAN card or voter ID Card.
• Step 4: At the enrollment or update centre, you will now be asked to confirm your thumbprint and biometrics.
• Step 5: The corresponding officer will give you an acknowledgement slip. Now, the process may take four to five days, and your mobile number will be linked to your Aadhaar.

Documents Needed to Link the Aadhaar Card With Mobile Number

Apart from your Aadhaar card, there are no other documents required for Aadhaar mobile number update as of now. So, you should carry your Aadhaar card when you visit the enrollment/update centre.

Benefits of Linking Aadhaar Card to Mobile Number

Aadhaar mobile verification has several advantages. Here we have discussed some of them:

• Improves security and identity verification: Once your mobile number and Aadhaar online linking is done, you are now safe from misuse of your previously linked Aadhaar mobile number.
• Increase accessibility to government services and subsidies: You can get direct benefits for LPG subsidy, PM-KISAN schemes or many more. An updated mobile number is important for keeping transparent communication channels to access useful services.
• Helpful for doing eKYC: Telecom companies, banks, or any other essential services often require Aadhaar-based OTP. By keeping your mobile number linked with Aadhaar, you can easily do verifications for these services.
• To get important updates: If there are any changes required to your Aadhaar, you will get direct notification to your linked mobile number.

Conclusion

Linking your Aadhaar with your mobile number secures your digital identity and allows extensive access to government services. The process is easy to all users both online and offline. By completing this process, you ensure smooth verification of banking services, subsidies and eKYC. This update is also imported for you to receive Aadhaar-related important notifications.

Frequently Asked Questions

1. How many Days Will it take to link the Aadhaar Mobile Number?

It often takes 2 to 5 days to link your mobile number to Aadhaar. In certain situations, this step may take up to 10 days.

2. Is it mandatory to link the mobile number to Aadhaar?

Linking mobile numbers to Aadhaar is not mandatory, but it is important. Now with this update, you are able to do e-KYC, open bank accounts, or to get government-subsidised products.

3. How to link Mobile number to Aadhaar card without going to an enrollment/update centre?

Currently, your biometric authentication under authorised personnel supervision is needed to link the mobile number with Aadhaar. To update your mobile number, you have to fill out the online or offline form and submit it at an authorised aadhaar enrolment/update centre.

4. Which documents are required to link my Aadhaar through mobile?

All that you will need to do is carry your Aadhaar card and the corresponding mobile number to the enrollment centre. In the second step, the authorised personnel will take your thumb impression and other biometrics to link your mobile number.

5. Why do I have to update Aadhaar with my mobile number?

By connecting aadhaar to your mobile number, you will be securing yourself. It also enables simple access to e-KYC and getting OTPs in aadhaar services, government subsidies.