If you want to know how to check the Aadhaar linked mobile number online, UIDAI provides an official facility to verify whether a mobile number is registered with your Aadhaar. This is useful if you are unsure which mobile number is linked to your Aadhaar or want to confirm that your current number is registered correctly.
How to Check Aadhaar Linked Mobile Number
Step 1:- First, visit the official website by clicking on the link provided above.
Step 2:- A new page will open where you need to enter your 12-digit Aadhaar number and the captcha code, then proceed.

Step 3:- A new page will now open before you, displaying all the details related to your Aadhaar card—including the mobile number linked to it.

How Many Aadhaar Numbers Can Be Linked to One Mobile Number?
According to UIDAI’s FAQ, a maximum of 9 Aadhaar numbers can be linked with a single valid mobile number.
This can be useful for families where multiple Aadhaar holders use the same mobile number.