Steps to Link Mobile Number to Aadhaar Card Online and Offline in 2026

Updated on: 5 Jan 2026

‘How to link mobile number with Aadhaar card?’ is a common question. When your mobile number is linked to Aadhaar, many things become simpler. You can complete KYC faster. You can invest in mutual funds, buy insurance or apply for financial products using a quick OTP on your registered number.

Your Aadhaar is also linked to your PAN card, bank account and investments. If you ever misplace it, your registered mobile number helps you retrieve it or apply again. That is why knowing how to link mobile number with Aadhaar is important. Linking Aadhaar with your mobile number also confirms your identity and keeps your accounts protected.

Read on to find out how to link mobile number to Aadhaar, both online and offline, so you can get it done without confusion.

How to Link a Mobile Number with an Aadhaar Card Online?

If you prefer doorstep service, you can link your Aadhaar with your mobile number online through India Post Payments Bank (IPPB). Here is how to link mobile number with Aadhaar card online:

Step 1: Visit the official website
Go to https://www.ippbonline.com/web/ippb/doorstep-banking

Step 2: Share your basic details
Enter simple details like your name, address, mobile number and email ID. These help the post office reach you easily for the next steps.

Step 3: Choose the right service
From the service drop-down, select PPB – Aadhaar Service. Then choose UIDAI – Mobile or Email to Aadhaar linking or update. This tells the system exactly what you want to update.

Step 4: Request and confirm OTP
Once everything is filled in, click on Request OTP. You will receive an OTP on your mobile number. Enter it on the next screen and confirm your request.

Step 5: Save your reference number
After submission, you will see a Reference Number. Keep this handy. You can use it to track your request later.

A postal official will visit your address to complete biometric verification. After verification, your mobile number gets linked to Aadhaar. You can also check the update status later on the UIDAI website.

How to Link a Mobile Number with an Aadhaar Card Offline?

If you don’t mind visiting a branch physically, you can even link your Aadhaar with your mobile number offline.

Step 1: Locate your nearest Aadhaar enrolment or update centre using the UIDAI website

Step 2: Visit the centre with your Aadhaar card

Step 3: Fill out the Aadhaar update form for mobile number linking

Step 4: Complete biometric verification

Step 5: Pay the required fee and collect the acknowledgement slip

You will receive a Unique Request Number (URN), which can be used to track the update status online.

How to Book an Appointment?

If you are planning to visit an enrollment centre, booking an appointment in advance can help you avoid long waiting times.

Visit the official UIDAI website
Select ‘Book Appointment’
Choose the Aadhaar update service
Pick a nearby enrolment centre
Select a convenient date and time

Documents Required to Link Aadhaar with Mobile Number

The process is simple and does not require many documents. You only need your Aadhaar card. Biometric verification is completed at the centre or during doorstep service. No additional identity proof is required.

Fee for Linking Your Aadhaar with Mobile Number

Aadhaar mobile number update fee: ₹50
The fee is the same for online and offline methods
Payment is made during the update request

How to Check if Aadhaar Card is Linked with Mobile Number?

After submitting your request, you can check whether your mobile number is linked.

Step 1: Visit the official UIDAI website
Step 2: Select ‘Verify Aadhaar Number’
Step 3: Enter your Aadhaar number and Captcha
Step 4: Submit to view the status

If your number is linked, you will see confirmation on the screen.

Benefits of Linking Aadhaar Card with Mobile Number

Linking your Aadhaar with your mobile number offers several benefits:

Faster KYC for banks and financial services
Easy OTP-based verification
Quicker access to government services
Simple Aadhaar retrieval if lost
Smoother loan and investment applications

Many lenders use Aadhaar-based OTP verification during loan checks. If your mobile number is not linked, this step can take longer than expected. That is why knowing how to link mobile number with Aadhaar helps. Keeping your details updated makes verification quicker and the overall process smoother.

And when you are ready to apply, Fibe lets you get started easily. You can apply for an Instant Personal Loan of up to ₹10 lakhs in just a few minutes. Just download the Fibe app or apply via the website to start your borrowing journey!

FAQs on linking Aadhaar with mobile number

How can I link my mobile number with an Aadhaar card online?

You can link your mobile number with your Aadhaar card online through the Indian Postal Service website. It clearly explains how to link Aadhaar with phone number using a simple doorstep verification process.

How many days does it take to link Aadhaar with a mobile number?

After verification is complete, it can take up to 5 to 10 days for your Aadhaar card to be linked with your mobile number.

Can I link more than one mobile number with my Aadhaar?

As per the UIDAI guidelines on how to link mobile number with aadhar, you can register only one mobile number with each Aadhaar card. But there is no limit to the number of Aadhaar numbers that can be linked to the same mobile number.

Why is it necessary to link a mobile number with an Aadhaar number?

To access Aadhaar-linked services, you will receive an identity verification code on your mobile number linked to your Aadhaar card. Hence, it is necessary to have your active mobile number linked with the Aadhaar card.