Visit the UIDAI website
Go to the “Aadhaar Services” section
Select “Verify Email/Mobile Number”
Enter your Aadhaar number
Enter the mobile number you want to check
Enter the captcha code
Click “Send OTP”
If the number is linked, you will receive an OTP on that mobile number
If no OTP is received, the mobile number is not linked to Aadhaar
You can also visit an Aadhaar Seva Kendra to verify the linked mobile number
Use the mAadhaar app if your mobile number is already registered with Aadhaar