A SIM registered on your CNIC is more than a phone line. It can receive your bank OTPs, reset your email password, and unlock your crypto exchange account. And if that SIM is used for fraud or harassment, the trail leads back to your identity, not the person actually holding it.
Checking takes about a minute. Pakistan has two official ways to see how many SIMs are registered against your CNIC, and one important rule changed in 2026 that makes checking early more important than ever.
Quick answer
- By SMS: Type your 13-digit CNIC (no dashes) and send it to 668.
- Online: Go to cnic.sims.pk, enter your CNIC, tick the captcha, and submit.
Both show how many active SIMs are linked to your CNIC, broken down by operator, plus a total. If a number looks wrong, contact that operator with your original CNIC and file a complaint with PTA if needed.
What changed in 2026: Important 2026 PTA Rules You Must Know
If you are registering a new number or auditing your current SIMs, you need to be aware of the recent regulatory updates implemented by the Pakistan Telecommunication Authority (PTA):
- The 1-Year Lock Period: In May 2026, the PTA extended the SIM disowning period from 60 days to 365 days. Once a new SIM is issued on your CNIC, it cannot be closed, disowned, or transferred to another owner for a full year after activation. This has two major practical effects:
- Think twice before giving your thumbprint: If you get a SIM issued for a relative, an employee, or anyone else, it stays attached to your legal identity for at least a year. You cannot simply cancel it next week if you change your mind.
- Fraudulent SIMs stick around longer: If someone registers a SIM to your identity today, the standard, quick disowning route will be locked. This makes catching unauthorized connections early, documenting them, and escalating the issue directly to the PTA extremely critical.
- The SIM Limit Cap: The PTA enforces a strict cap on how many active connections one person can hold. Currently, a single CNIC is limited to a maximum of 5 voice SIMs and 3 data SIMs across all networks at any given time.
Why this matters if you hold crypto
SIM-swap fraud is one of the most common ways crypto accounts get emptied. The pattern is simple. An attacker gets a SIM issued or reissued against your identity, receives your SMS verification codes, resets your exchange or email password, and withdraws your funds before you notice your phone has lost signal.
A SIM you don’t know about is exactly the kind of weak point that makes this possible. Checking your CNIC regularly won’t stop every attack, but it closes one of the easiest doors.
We’ll cover how to lock down your exchange account further down. First, the check itself.
How scammers get SIMs in your name
Biometric verification is mandatory, so how does a stranger’s SIM end up on your CNIC? Usually, you gave the thumbprint yourself without knowing it.
The classic trick happens at roadside stalls and with door-to-door sellers. You buy a SIM, place your thumb on the scanner, and the seller says “the system is down” or “your fingerprint didn’t read, try again.” The first scan actually worked. It activated a SIM in your name, which gets sold to someone who wants a number that can’t be traced to them. The second scan is for the SIM you actually walk away with.
How to avoid it:
- Buy SIMs and do biometric verification only at official operator franchises or customer service centers.
- If you’re asked to scan again, ask why, and watch the screen.
- Run a 668 check a day or two after buying any new SIM. If the count jumped by two instead of one, act immediately.
Method 1: Check SIMs via SMS (668)
If you don’t have internet access, your mobile phone’s SMS app works perfectly.
- Open your messaging app.
- Type your 13-digit CNIC number (no dashes).
- Send the message to 668.
- You will receive an automated reply from the PTA detailing the number of active SIMs on each network. (Note: Standard SMS charges apply depending on your network).
Method 2: Check SIMs on Your CNIC Online (check online at cnic.sims.pk)
Using a web browser is the easiest way to see your network-wise breakdown without incurring any SMS charges:
- Open the official portal. Type cnic.sims.pk directly into your browser instead of clicking a search ad. Copycat sites with names like “SIM Data Online” or “Live Tracker” look official at first glance.
- Enter your CNIC. Use all 13 digits without spaces or dashes. Foreign nationals can choose the Foreign ID option.
- Tick “I am not a robot” and submit.
- Read the result. You’ll see a count for each operator and a total. The portal doesn’t list the actual phone numbers, only how many connections each operator has registered to you.
Now compare it with what you actually use. Say you carry a Jazz SIM every day and keep an old Zong data SIM in a drawer. If the result shows Jazz: 1, Zong: 1, and Ufone: 1, that Ufone connection needs an explanation.
Read more: SIM Owner Details Online Check in Pakistan: How to Check SIMs by CNIC or Number
Found a SIM you don’t recognize? Here’s what to do
Finding an unexpected connection does not automatically mean someone stole your identity. It could be an old SIM that you forgot about.
Before reporting fraud, think about whether you have previously:
- used a secondary number;
- purchased a SIM that is now sitting unused;
- kept an old connection after changing phones;
- used a work or data connection;
- or ported a number between operators.
If the count still does not make sense, take the following steps.
1. Identify the Mobile Network
The CNIC portal gives you an operator-wise count.
Suppose you know you have two Jazz SIMs and one Zong SIM, but the result also shows one Ufone connection. You now know which operator needs to investigate the discrepancy.
2. Visit an Authorized Franchise or Customer Service Center
Take your original CNIC to an official service center or authorized franchise belonging to the network with the unexpected connection.
Explain that your CNIC check shows a SIM you do not recognize.
Avoid using an informal dealer for this process.
3. Complete Identity and Biometric Verification
The operator may require a fresh fingerprint scan or other identity checks before it can change the registration status of a SIM.
Ask the staff to verify the unknown connection and begin the appropriate disowning or complaint process.
Because new SIMs are affected by the 2026 lock period, suspected fraudulent registrations should be clearly reported as unauthorized connections rather than treated as an ordinary request to cancel a SIM.
4. Escalate the Case to PTA if Needed
If the operator does not resolve the issue, you can escalate it to the Pakistan Telecommunication Authority.
- PTA helpline: 0800-55055
- Online complaint portal: complaint.pta.gov.pk
Keep any complaint or reference number you receive in case you need to follow up.
Lock down your crypto account against SIM swaps
Checking your CNIC protects the SIM side. These steps protect the account side, so a stolen number alone isn’t enough to get in.
- Stop relying on SMS codes. Switch your exchange login and withdrawal verification to an authenticator app such as Google Authenticator, or to a passkey if your exchange supports it. Codes generated on your device can’t be intercepted by someone holding a copy of your SIM. On MEXC, you’ll find these options in your account’s security settings.
- Turn on an anti-phishing code. It adds a personal phrase to genuine emails from the exchange, so fake “suspicious login” emails stand out immediately.
- Use a withdrawal address whitelist. If only pre-approved wallet addresses can receive withdrawals, an attacker who gets in still can’t send your funds to their own wallet without passing extra checks.
- Secure your email too. Your email is usually the recovery route for everything else. Protect it with an authenticator app as well, not SMS.
- Know the warning sign. If your phone suddenly shows “No Service” or “SIM not provisioned” where it normally works, don’t wait it out. Call your operator from another phone and log in to your exchange from a trusted device to check recent activity.
The official check is not a people-search tool
Search for “SIM owner details,” and you’ll find dozens of sites and apps claiming to turn any Pakistani number into a name, CNIC, address, or live location. Some call themselves “PTA verified” or a “live SIM database.”
They aren’t part of the official system. cnic.sims.pk and 668 only show SIM counts for the CNIC you enter, and they’re meant for checking your own identity. No public government service lets you pull up a stranger’s personal details from their number. Data on these sites is often inaccurate, and sharing leaked personal records can itself be illegal.
They’re risky for another reason too. Many ask you to enter your own CNIC and number first, which is a convenient way to collect exactly the data a SIM-swap scammer needs. If a site’s data source is unclear, don’t give it anything.
Other official SIM checks worth knowing
Verify the SIM in your phone: send MNP to 667. Sent from the SIM itself, this returns the registered name, CNIC, and SIM number used for mobile number portability. Use it to confirm a SIM is really registered to you. It only works for the SIM you’re sending from.
Find which network a number is on: send N 03XXXXXXXXX to 76367. Because of number portability, a 0300 number might now be on Zong or Ufone. This service shows the current network, not who owns the number.
Check your phone’s PTA status: send your IMEI to 8484. Useful when buying a used phone to confirm it’s registered and not blocked.
Keep your CNIC from being misused
Buy SIMs only from official franchises, never from street stalls. Watch the screen whenever you give a fingerprint for anything SIM-related. Don’t upload photos of your CNIC to random apps or giveaway pages, and avoid posting your full name, number, and address together on public profiles.
Most importantly, make the check a habit. Send your CNIC to 668 at least every six months, and always a day or two after you buy a new SIM.
FAQ
Is the 668 CNIC check free?
Charges depend on your operator and can change. The online portal at cnic.sims.pk doesn’t involve SMS charges.
Does the result show my actual phone numbers?
No. It shows how many SIMs each operator has registered to your CNIC, not the numbers. To confirm a specific SIM, send MNP to 667 from that SIM.
Can I disown a SIM I just bought for someone else?
Not right away. Under PTA’s 2026 rule, a newly activated SIM can’t be disowned or transferred for 365 days after activation.
How many SIMs can be registered on one CNIC?
PTA sets a maximum per CNIC across all operators.
Can I disown a SIM without visiting a franchise?
Generally no. Disowning requires biometric verification, so you’ll need to go in person with your original CNIC.
My CNIC was lost. Should I check my SIMs?
Yes, as soon as possible. Check 668, report the lost card to NADRA, and keep checking for a few months afterwards.
Will checking my CNIC protect my crypto from SIM swaps?
It helps, but it isn’t enough on its own. Pair it with an authenticator app or passkey, an anti-phishing code, and a withdrawal whitelist on your exchange account.
