In today’s digital world, your SIM card is more than just a way to make calls—it’s your digital identity. But what if someone else is using a SIM card on your CNIC? That’s why knowing how to check SIMs on your CNIC is not only smart—it’s essential for your security.
🔐 Why You Should Check SIMs Registered on Your CNIC
Identity theft is on the rise in Pakistan, and unauthorized SIMs registered to your name can get you into serious trouble—even legal issues.
Misused SIMs can be involved in crimes
You may be blamed for activities you didn’t commit
Avoid exceeding PTA’s SIM limit unknowingly
🛠 Official Methods to Check SIMs on Your CNIC
🌐 Method 1: PTA SIM Information System (Online)
The easiest way to check how many SIMs are registered on your CNIC is via PTA’s official SIM Information System.
You’ll see a list showing all SIMs registered to your CNIC categorized by mobile network (Jazz, Zong, Telenor, Ufone, etc.)
🔒 No personal info like name or address is shown—just the network and SIM count.
📩 Method 2: SMS Method via 668
If you don’t have internet, use this method:
Type your CNIC number without dashes
Send SMS to 668
You’ll receive a reply with the count of SIMs registered on each network
💸 Note: Each SMS costs around PKR 2.00 + tax
📊 How Many SIMs Can Be Registered Against One CNIC?
As per PTA regulations:
Maximum 5 SIMs per CNIC per mobile network
So technically, you can have up to 15 active SIMs (if using all 3 networks)
❌ How to Block Extra or Unknown SIMs Registered on Your CNIC
🏢 Visit Customer Service Center
Go to the franchise or service center of the network (Jazz, Zong, etc.)
🧬 Complete Biometric Verification
The staff will:
Verify your fingerprint
Show all SIMs registered under your CNIC
Allow you to request cancellation of unknown SIMs
📄 Required Documents
Original CNIC
Photocopy of CNIC (sometimes)
Mobile number for contact
📡 How to Know Which Network is Registered on Your CNIC
Both methods (SMS and website) will show:
Network name (e.g., Jazz, Zong)
Number of active SIMs
This helps you quickly spot anything suspicious.
⚠ Common Issues People Face
🚨 SIMs That Are Not Yours
Sometimes old SIMs or mistakenly issued ones still appear. Get them blocked!
🧾 Biometric Info Not Updated
If you recently changed your fingerprint record or renewed your CNIC, some networks may not update your biometric data.
📵 SMS 668 Not Responding
Try again after a few minutes
Make sure you have balance
Use a different network SIM if issue persists
📋 PTA’s Role and Responsibilities
The Pakistan Telecommunication Authority (PTA) regulates SIM registration under SOPs to protect users from fraud. Their SIM Information System ensures transparency.
🛡 Safety Tips for SIM Registration
Never share your CNIC or photocopy without a reason
Prepaid is easier to register and hence more prone to misuse
⏰ When Should You Regularly Check SIMs on CNIC?
Every 3-6 months
After losing your CNIC
If you’ve sold or transferred a mobile number
If SMS scams or unknown calls occur frequently
🚀 Future of SIM Registration in Pakistan
eSIMs will soon become more common
Digital CNIC integration
PTA and NADRA will launch a centralized verification portal
🧾 Conclusion
Checking SIMs on your CNIC is a small step that protects your digital identity, legal standing, and financial security. Whether you’re tech-savvy or not, use the PTA’s tools regularly and ensure your SIMs are secure.
❓FAQs
Q1: How many SIMs can I register on my CNIC? You can register 5 SIMs per mobile network on one CNIC, with a total of up to 15 across networks.
Q2: Is the 668 SMS service available all the time? Yes, it’s available 24/7 on all Pakistani networks.
Q3: Can I use the PTA website method from abroad? Yes, if you have internet access, you can check from anywhere using https://cnic.sims.pk.
Q4: What should I do if I find SIMs not belonging to me? Visit the respective network’s customer service center, verify your identity, and get those SIMs blocked.
Q5: Is there any mobile app for checking SIMs on CNIC? Currently, there’s no official PTA app, but the website and SMS method work just fine.
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