Fraudsters sometimes use SIMs registered on other people’s CNICs for scams. That is why it is important to check how many SIMs are registered on your CNIC and block any you don’t recognise. It takes less than a minute.
- Open your SMS app.
- Type your 13-digit CNIC number without dashes.
- Send it to 668.
- You will receive a reply showing how many SIMs are registered on your CNIC with each operator.
Method 1: SMS to 668
- Write your CNIC number without dashes (for example, 3520112345671).
- Send it to 668 from any Pakistani mobile number.
- You will receive an SMS listing the number of active SIMs by operator (Jazz, Zong, Telenor, Ufone, Onic, etc.).
Method 2: Online Check
PTA has also provided an online SIM information service. Visit the official PTA SIM information portal, enter your CNIC and the code shown, and see the number of SIMs registered against it.
What If You Find an Unknown SIM?
- Note which operator has the extra SIM.
- Call the operator’s helpline or visit their franchise/customer service centre with your original CNIC.
- Request to block or deregister the SIM after biometric verification.
- If you suspect fraud, report it to the relevant cybercrime authority.
Safety Tips
- Never give your thumb impression to unknown people or street vendors for a “free SIM” or “prize”.
- Do not share copies of your CNIC unnecessarily.
- Check your SIMs every few months.
- Close SIMs you no longer use.
Frequently Asked Questions (FAQs)
Is the 668 service free?
Yes, the 668 SIM information service is free.
How many SIMs can be registered on one CNIC?
PTA rules limit the number of SIMs per CNIC. Check with PTA or your operator for the current limit.
Can I block a SIM without visiting a franchise?
Most operators require biometric verification at a franchise for deregistration. Call your operator’s helpline for current options.
Conclusion
Checking SIMs on your CNIC is quick and protects you from becoming linked to someone else’s fraud. Do it today and share this tip with your family.