Quick Answer: To check if your SIM is properly registered, send your 13-digit CNIC number (without dashes) to 668 via SMS. You'll get a reply showing how many SIMs are linked to your identity — completely free on most networks. Keep reading for all methods, step-by-step guides, and what to do if you find an unauthorized SIM.
📋 Table of Contents
- Why You Need to Verify Your SIM
- Method 1: SMS to 668 (Fastest – 30 Seconds)
- Method 2: PTA Online Portal (Free)
- Method 3: Network-Specific Codes
- Method 4: Check via Phone Settings
- Method 5: Visit a Franchise Store
- What is Biometric SIM Verification?
- Found an Unauthorized SIM? Do This Now
- How Many SIMs Can You Have on One CNIC?
- Avoid These SIM Verification Scams
- Frequently Asked Questions (FAQs)
- Why You Need to Verify Your SIM
- Method 1: SMS to 668 (Fastest – 30 Seconds)
- Method 2: PTA Online Portal (Free)
- Method 3: Network-Specific Codes
- Method 4: Check via Phone Settings
- Method 5: Visit a Franchise Store
- What is Biometric SIM Verification?
- Found an Unauthorized SIM? Do This Now
- How Many SIMs Can You Have on One CNIC?
- Avoid These SIM Verification Scams
- Frequently Asked Questions (FAQs)
Honestly, most of us never think about SIM verification — until something goes wrong.
Maybe you got a suspicious call. Maybe you heard someone was arrested because a criminal used a SIM registered in their name. Or maybe a friend told you to "check your SIMs" and you weren't even sure where to start.
You're not alone. Millions of Pakistanis have SIM cards registered in their name that they don't even know about. In 2025, PTA (Pakistan Telecommunication Authority) detected 4.7 million unauthorized SIM registrations — cards linked to stolen or photocopied CNIC information, without the actual owner's knowledge.
That's a serious problem. Because under Pakistani law, you are legally responsible for everything that happens on every SIM registered under your CNIC — including calls, messages, and financial transactions.
The good news? Checking and verifying your SIM registration takes less than a minute. And it's completely free.
This guide covers every method — from the fastest SMS shortcode to what to do if you find a SIM you never registered.
Why You Need to Verify Your SIM Registration
Before we jump into the how, let's talk about the why — because this isn't just a technicality.
When you buy a SIM card in Pakistan, your fingerprints are scanned and matched against NADRA's database. This creates a permanent, legally binding link between you and that SIM. Everything that number does — every call, message, financial transaction, or crime — is traceable back to your CNIC.
Here's why that makes regular verification so important:
- Protect your legal identity: If a criminal uses a SIM registered in your name, law enforcement will investigate you first. Three innocent Pakistanis were wrongfully detained in 2025 alone for crimes committed on SIMs fraudulently linked to their CNICs.
- Prevent financial fraud: Fraudsters use unauthorized SIMs to access mobile wallets like JazzCash and Easypaisa, intercept OTPs, and drain bank accounts.
- Stop SIM swap attacks: SIM swapping is one of the fastest-growing cyber threats — attackers hijack your number to access your banking, email, and social accounts.
- Stay within legal limits: PTA allows a maximum of 5 SIMs per network per CNIC. If someone registers extras in your name, you could unknowingly be in violation.
- Peace of mind: Knowing exactly which SIMs are under your name lets you sleep better at night.
Method 1: SMS to 668 — The Fastest Way (30 Seconds)
Most Popular
This is the easiest and most widely used method. PTA's SIM Information System lets you check all SIMs registered on your CNIC with a single text message.
- Open your phone's messaging app.
- Type your 13-digit CNIC number — without any dashes or spaces. Example:
3520112345678 - Send it to 668.
- Within 30 seconds, you'll receive an SMS reply listing the number of active SIMs registered under your CNIC — broken down by each mobile network (Jazz, Zong, Telenor, Ufone, SCO).
Cost: Standard SMS charges apply (usually around Rs. 2 + tax). Some networks may process it free of charge.
Works on all networks: Jazz, Zong, Telenor, Ufone, SCO, and ONIC.
If the number of SIMs in the reply doesn't match what you actually use — that's a red flag. Read the section below on what to do if you find an unauthorized SIM.
Method 2: PTA Online Portal — Free & Detailed
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If you want a more detailed breakdown, or if you're overseas and can't easily send an SMS, the PTA's official online portal is your best option.
- Open any browser and go to: https://cnic.sims.pk
- Enter your 13-digit CNIC number.
- Complete the CAPTCHA verification.
- Click Submit.
- You'll see a breakdown of active SIMs registered under your identity, listed by network operator.
Cost: Completely free — no registration, no payment required.
Works for: All Pakistani CNICs and NICOPs (including overseas Pakistanis).
Method 3: Network-Specific USSD Codes
Each telecom operator has its own shortcode and USSD code for SIM verification and account details. These work even without internet — just dial them like a phone number.
| Network | USSD / Code | What It Shows |
|---|---|---|
| Jazz | Dial *99# or send CNIC to 6001 | Your mobile number, registered SIM details |
| Zong | Dial *310# or call 310 | SIM number, account info, registration status |
| Telenor | Dial *222# or call 345 | Account details and SIM status |
| Ufone | Dial *336# or call 333 | SIM registration info, balance details |
| SCO | Call 1236 (helpline) | Account and SIM verification status |
| Any Network | Send CNIC to 667 | Identify which network a mobile number belongs to |
Want to check your own mobile number? Try these quick tricks:
- Dial a USSD code: Jazz:
*99#, Telenor:*222#, Ufone:*336#, Zong:*310# - Check phone settings: Go to Settings → About Phone → SIM Card Status — your number is listed there.
- Send a missed call: Call a friend's number and your number will show up on their screen.
Method 4: Check via Your Phone Settings
If you just want to confirm your SIM number is active and connected properly — and don't need the full CNIC check — your phone's settings do the job in seconds.
- Open Settings
- Tap About Phone (or "About Device" on some brands)
- Tap SIM Card Status
- Your SIM number (ICCID), phone number, and network status will be displayed.
- Open Settings
- Tap General
- Tap About
- Scroll down to find your ICCID (SIM card number) and network info.
This method tells you whether your SIM is active and recognized by the network, but it doesn't check your full CNIC registration. For that, use Method 1 or 2 above.
Method 5: Visit a Telecom Franchise Store
Sometimes the most reliable way is the old-fashioned one — walk into a franchise.
This method is especially useful if:
- You need an official written record of your SIM registrations (for a bank, police report, or legal matter).
- You want to deactivate an unauthorized SIM immediately.
- Your biometric verification failed and needs to be redone in person.
- Your original CNIC (not a photocopy).
- Your physical SIM card(s).
- Arrive during business hours and ask the staff to check your SIM registration status.
The franchise staff can verify your biometric status, show you all SIMs linked to your CNIC, and begin the disowning process for any unauthorized numbers on the spot.
What is Biometric SIM Verification — And Why It Matters
Every SIM registration in Pakistan goes through biometric verification. Here's how it actually works:
- When you buy a SIM, the franchise agent scans your fingerprints.
- Those fingerprints are sent to NADRA's database in real time.
- NADRA matches your fingerprints to your CNIC record — this takes 3 to 15 seconds.
- Only after a successful match does PTA activate the SIM and permanently link it to your CNIC.
This system (called the Multi-Finger Biometric Verification System, or MBVS) was introduced specifically to stop SIM fraud. But fraudsters have found ways around it — by bribing corrupt franchise employees, using stolen CNIC photos, or in some cases using illegal fingerprint techniques.
How to check your biometric status: Visit the nearest franchise with your CNIC. The staff can tell you instantly whether your SIM is biometrically verified or flagged as unverified. If it shows "Not Verified," you'll need to redo the biometric process in person before your network restricts the SIM.
Found an Unauthorized SIM? Here's Exactly What to Do
Don't panic — but don't ignore it either. An unknown SIM linked to your CNIC is a live threat to your legal identity and financial security. Here's what to do, step by step:
- Document it immediately. Take a screenshot of the SMS reply from 668 or the PTA portal showing the unauthorized number.
- Identify the operator. Check which network it's on — Jazz, Zong, Telenor, Ufone, etc. You can send the number to 667 to identify the network.
- Call the operator's helpline. Jazz: 111, Zong: 310, Telenor: 345, Ufone: 333. Report the unauthorized SIM and ask for an immediate hold or investigation.
- Visit the nearest franchise with your original CNIC. Request "SIM disowning" — this formally removes the unauthorized number from your identity. It's free and usually done on the spot.
- File a PTA complaint. Go to complaint.pta.gov.pk or call the PTA helpline at 0800-55055 (free). This creates an official timestamped record — which is your strongest legal defense.
- Secure your financial accounts. If the unauthorized SIM is on the same network as your JazzCash, Easypaisa, or mobile banking, change your PINs and passwords immediately. Notify your bank.
- File an FIR if needed. If you believe your CNIC was misused for identity fraud, file a First Information Report (FIR) at your local police station and alert NADRA through their helpline at 051-111-786-100.
How Many SIMs Can You Have on One CNIC?
PTA has set clear limits on how many SIM cards can be registered per CNIC to control fraud and misuse:
| Network | Max SIMs Per CNIC |
|---|---|
| Jazz (Mobilink) | 5 SIMs |
| Zong | 5 SIMs |
| Telenor | 5 SIMs |
| Ufone | 5 SIMs |
| SCO | 5 SIMs |
| Total (all networks) | Up to 8 SIMs (combined cap under DIRBS) |
So technically, you can have up to 5 SIMs per network, but PTA's Device Identification, Registration and Blocking System (DIRBS) enforces a combined limit of 8 SIMs total across all networks per CNIC under the latest 2025 policy.
If anyone has registered SIMs in your name beyond these limits, that's a direct violation — and even more reason to check and report immediately.
Avoid These SIM Verification Scams
Here's something important that most articles don't tell you: the majority of "SIM owner details" websites you find through a Google search are scams.
Pakistan's cybersecurity agency PKCERT confirmed in September 2025 that dozens of these fake lookup platforms were actively distributing Raccoon and RedLine malware through downloadable APK files. Users who downloaded these apps had their banking credentials, CNIC photos, and OTP codes silently stolen — while the app showed them fake "results."
- Third-party "SIM database" websites that ask you to enter your CNIC for a search
- Any APK app not from the official Google Play Store or App Store that claims to look up SIM owner details
- Paid services charging Rs. 350–5,500 per lookup (PTA does not license any such service)
- Any platform claiming to show another person's full name, address, or live location via their phone number — this is illegal and technically impossible through legitimate channels
- SMS your CNIC to 668
- Online portal: cnic.sims.pk
- Your network's official helpline or franchise
Frequently Asked Questions (FAQs)
Q: Is it free to check how many SIMs are registered on my CNIC?Yes, the PTA online portal at cnic.sims.pk is completely free. The SMS method (sending your CNIC to 668) may charge standard SMS rates — usually around Rs. 2 plus tax — but some networks process it free of charge.Q: Can I check someone else's SIM details using their CNIC or phone number?No. Pakistani law strictly prohibits accessing another person's SIM registration data without their consent. No legitimate PTA-authorized service can legally return another person's private details. Any website or app claiming to do this is either showing fabricated data or is a scam — and using such a service could expose you to legal liability under PECA 2016.Q: What should I do if my SIM shows "Not Verified" or "Biometric Unverified"?Visit the nearest authorized franchise of your mobile network with your original CNIC. The staff will redo your biometric verification on the spot using the NADRA fingerprint scanner. If you don't do this, your network operator may restrict or permanently block the SIM.
Q: I'm an overseas Pakistani. Can I still verify my SIM registration?Absolutely. Use the online portal at cnic.sims.pk — it works from anywhere in the world. Just enter your 13-digit CNIC or NICOP number. If you find an unauthorized SIM, you can file a PTA complaint online or authorize a trusted family member in Pakistan with a signed authority letter to visit the franchise on your behalf.Q: How do I find out what my own mobile number is if I've forgotten it?Simple — try one of these: (1) Dial a USSD code like *99# (Jazz), *222# (Telenor), *310# (Zong), or *336# (Ufone). (2) Go to Settings → About Phone → SIM Card Status. (3) Call or send a missed call to a friend — your number will show on their screen.Q: How many SIMs are allowed per CNIC in Pakistan?PTA allows a maximum of 5 SIMs per telecom network per CNIC. Under the DIRBS combined limit, you can have up to 8 SIMs total across all networks. Any SIM registered beyond these limits is unauthorized and can be reported to PTA.Q: If I find an unauthorized SIM, will I get in trouble?Not if you act fast. The moment you discover an unauthorized SIM, file a PTA complaint at complaint.pta.gov.pk and visit the nearest franchise for disowning. This creates a timestamped official record showing you took immediate action. That record is your strongest legal defense if investigators ever question you about activity on that number.Q: Can someone register a SIM in my name using just a photocopy of my CNIC?Unfortunately, yes — this is a documented risk in Pakistan. A corrupt franchise employee, combined with your CNIC photocopy, can sometimes register a SIM without your biometric verification. This is why PTA recommends checking your registered SIMs at least every 2–3 months, and why you should be careful who you hand your CNIC copy to. Never share your CNIC photo or copy on public platforms or with unverified parties.Q: Is it safe to use third-party SIM lookup websites?No. PKCERT (Pakistan's cybersecurity agency) confirmed in 2025 that many such sites actively distribute malware. When you enter your CNIC on these platforms, you're not getting real data — you're handing your identity over to a fraud network. Stick to official channels: 668 via SMS and cnic.sims.pk.Q: What is a SIM swap attack and how do I protect myself?A SIM swap attack happens when a fraudster convinces your network operator (or bribes a franchise employee) to transfer your phone number to a new SIM they control. Once they have your number, they can receive your OTPs and gain access to your bank accounts, email, and social media. To protect yourself: regularly verify your SIM registration, use authenticator apps instead of SMS for 2FA where possible, and immediately contact your operator if your SIM suddenly loses signal without reason.
Final Thoughts — Check Your SIM Today
SIM verification isn't something to put off. It takes under a minute, it's free, and it could protect you from serious legal and financial consequences.
Here's a quick summary of what to do right now:
- 📱 Send your CNIC to 668 — get results in 30 seconds.
- 💻 Check cnic.sims.pk for a detailed online breakdown.
- 🚫 Avoid third-party SIM lookup websites — they're either scams or illegal.
- 🚨 If you find an unknown SIM — call PTA at 0800-55055 and visit your nearest franchise immediately.
- 🔁 Make it a habit — check every 2–3 months.
Your CNIC is linked to your SIM cards, your bank accounts, your mobile wallet, and your legal identity. Protecting it starts with something as simple as one text message.
Stay safe, stay informed.
Disclaimer: This article is for informational purposes only. All methods mentioned are official, PTA-approved, and legal. This guide does not provide access to or endorse any unauthorized SIM owner lookup services. Always use official PTA channels for SIM verification.
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