This article offers a professional and easy-to-understand guide on How to Know Which Mobile Number is Linked with Aadhaar, especially for Indian users who want simple, step-by-step help in checking their Aadhaar-registered mobile number.
In today’s digital world, your Aadhaar-linked mobile number plays a very important role. It is used for OTP verification, Aadhaar login, e-Aadhaar download, KYC verification, banking services, DigiLocker access, and many other government and financial services. If the wrong mobile number is linked — or if the number is inactive — you may face problems while using online services.
Many people are often confused about questions like — Which number is linked with my Aadhaar? How many SIM cards are issued using my Aadhaar? Is there any unknown mobile number registered in my name? How can I update or change my Aadhaar-linked number? This guide answers all these questions simply and clearly.
If you’ve ever wondered — “Which number is linked with my Aadhaar?” — or you suspect misuse of your Aadhaar for SIM registration…
Let’s explore it together!
Table of Contents
What is Aadhaar-Linked Mobile Number?
The Aadhaar-linked mobile number is the phone number that is registered in UIDAI records.
This number is used for:
- OTP verification
- Aadhaar login
- downloading e-Aadhaar
- updating Aadhaar details
- government & bank services
If your Aadhaar does not have a mobile number linked, you cannot use online Aadhaar services.
Why You Should Check Which Number is Linked with Aadhaar
Here are the main reasons every Indian should verify Aadhaar-linked numbers:
1. To Receive OTPs for Aadhaar Services
All Aadhaar services are OTP-based, including:
- e-Aadhaar download
- KYC verification
- PAN-Aadhaar verification
- online updates
If your number is incorrect or inactive, you won’t receive OTPs.
2. To Detect SIM Card Fraud
Many fraud cases involve:
- SIM cards issued using someone else’s Aadhaar
- fake connections taken in your name
- unauthorized numbers linked without consent
Checking Aadhaar-linked numbers helps you protect yourself.
3. To Remove Unused / Old Numbers
Sometimes users forget old SIM cards taken years ago.
Unused numbers can:
- Remain active
- be misused for fraud
- affect your identity records
It is good practice to review & clean unwanted SIM connections.
4. To Ensure Identity & Data Security
Aadhaar is directly connected with:
- banking
- telecom
- government services
Keeping your linked mobile number updated = strong identity safety.
Methods to Check Which Number is Linked with Aadhaar
There are two different types of checks:
| Check Type | Purpose |
|---|---|
| UIDAI Mobile Verification | Confirms whether your mobile number is registered in Aadhaar |
| TAFCOP / Sanchar Saathi | Shows how many SIM cards are issued using your Aadhaar |
Both are important — and serve different security needs.
Let’s learn them one by one.
Method 1 — Check Your Mobile Number is Linked with Aadhaar (UIDAI)
This method tells you whether a specific mobile number is registered in Aadhaar or not. It does not show your number — it only confirms if the entered number matches UIDAI records.
Steps:
- Go to https://myaadhaar.uidai.gov.in/verify-email-mobile
- Enter: Aadhaar Number, Mobile Number, and Captcha
- Click Proceed to Verify
Possible Results:
| Result | Meaning |
|---|---|
| Mobile number is verified | This number is linked with your Aadhaar |
| This number is linked to your Aadhaar | This number is NOT linked |
| Error / no response | Aadhaar may not have a mobile number linked |
- If you don’t remember your Aadhaar-linked number, try all your current numbers one by one.
- If none of them work, you must update your mobile number in Aadhaar.
Method 2 — Check How Many Mobile Numbers Are Linked with Your Aadhaar (TAFCOP)
This method shows:
- How many SIM cards are issued using your Aadhaar
- All mobile numbers registered in your name
- Unknown or fraudulent numbers
This service is provided by the Department of Telecommunications (DoT).
Steps:
- Visit https://tafcop.sancharsaathi.gov.in
- Enter your mobile number
- Click Request OTP
- Enter OTP
- View the list of all numbers linked with your Aadhaar
You May See:
| Type | Meaning |
|---|---|
| Numbers you recognize | Your valid SIM cards |
| Old numbers | SIMs used earlier |
| Unknown numbers | Possible fraud / misuse |
🚨 If You See Unknown Numbers:
Select: 👉 “This is not my number.”
Submit the report.
The telecom company will:
- Verify
- Deactivate the fraudulent number
- Notify you by SMS
How to Update or Change Your Aadhaar-Linked Mobile Number?
Mobile number update cannot be done online.
You must visit: Aadhaar Seva Kendra or Aadhaar Enrollment / Update Center
Steps:
- Visit Aadhaar Update Center
- Fill Aadhaar Update Form
- Select “Mobile Number Update”
- Give biometric verification
- Pay ₹50 update fee
- Receive acknowledgement slip (URN)
- The number gets updated in 5–10 days
No need for:
- Old mobile number
- Old SIM card
- OTP from previous number
Your biometrics are enough.
Difference Between Aadhaar-Linked Number & SIM Aadhaar KYC
Many people confuse the. Here is the difference:
| Type | Meaning |
|---|---|
| Aadhaar-linked mobile number | Registered in UIDAI database (used for OTP) |
| SIM card issued using Aadhaar | Mobile connection purchased using Aadhaar as identity proof |
Both are separate — but related to identity verification.
SIM Card Limit Per Aadhaar
- Maximum 9 SIM cards per Aadhaar (most states)
- Maximum 6 SIM cards in J&K, Assam & North-East
If extra SIM cards exist, the system flags automatically.
Difference Between Two Things
| Term | Meaning |
|---|---|
| Aadhaar-linked mobile number | Number stored in UIDAI database |
| SIM issued using Aadhaar | Mobile connection purchased using Aadhaar KYC |
Both are different — but related to identity verification.
Security Tips to Protect Aadhaar & Mobile Identity
- Check Aadhaar-linked SIMs regularly
- Report unknown numbers immediately
- Keep your Aadhaar mobile number updated
- Do not share OTP with others
- Avoid uploading Aadhaar on unsafe websites
FAQs:)
A. Up to 9 SIM cards (6 in restricted regions).
A. No — only UIDAI portal verification is available.
A. Update your new mobile number at the Aadhaar center.
A. Report fraud on the TAFCOP portal — it will be investigated.
A. No — Aadhaar KYC for SIM is optional (not compulsory now).
Conclusion:)
Knowing which mobile number is linked with your Aadhaar is very important for your digital security, identity protection, OTP verification, and access to online services. Your Aadhaar-linked mobile number ensures that only you can verify your identity and access government, banking, and online services securely.
With the help of the UIDAI verification page and the TAFCOP (Sanchar Saathi) portal, you can easily check your Aadhaar-registered mobile number, see how many SIM cards are issued using your Aadhaar, detect unknown or fraudulent mobile numbers, report suspicious connections, and update your Aadhaar-linked mobile number whenever required. Staying aware of these details helps you prevent misuse, avoid identity risks, and keep your Aadhaar records safe and accurate.
“Digital identity is safest when we stay aware, verify regularly, and take control of our own security.” — Mr Rahman, CEO Oflox®
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Have you checked how many numbers are linked with your Aadhaar yet? Share your experience or ask your questions in the comments — we’d love to help you!