The official system does not provide a public facility where anyone can enter another person's mobile number and obtain their CNIC, home address or complete personal record. Websites claiming to offer a complete SIM owner database should therefore be treated with caution.
Check SIMs Registered on Your CNIC
The easiest way to check your registered SIMs is through the official PTA SIM Information System. The portal shows how many SIMs are linked to your CNIC, broken down by mobile network.
Online SIM Check
Here's how:
- Go to the official PTA SIM Information System at www.cnic.sims.pk
- Pick the CNIC option
- Type in your 13-digit CNIC, no dashes
- Complete the verification step on the page
- Submit the request
- Check the SIM count shown against the mobile networks
The portal currently identifies itself as the Pakistan SIM Information System and provides a network-wise count of SIMs associated with the entered identity. This makes it particularly useful when you want to check whether an unfamiliar connection has been registered against your CNIC.
Check Through SMS 668
If you do not want to use the internet, PTA's SMS method is another option. Send your 13-digit CNIC number without dashes to 668. The response provides information about the SIMs registered against that identity. PTA has continued to advise consumers to use 668 or the official online portal for regular SIM verification.
Disclaimer: SMS charges may apply, and the service is intended for checking SIMs associated with your own CNIC rather than searching for another person's private subscriber information.
SIM Information You Can Actually See
The phrase SIM owner details can be misleading because the official public system is primarily a SIM registration verification service, not an open subscriber database. When you check your own CNIC through the official system, the useful information includes:
- Total SIMs registered against your CNIC
- Network-wise SIM count
- Registration status associated with your identity
- An indication that an unexpected connection may exist under your CNIC
The system is therefore most useful for identity protection and SIM management. If you find a number or connection that you do not recognise, the next step is to contact the relevant mobile operator rather than trying to obtain private information about the person using that number.
Find the Owner Name of Any Mobile Number
There is no legitimate public PTA facility allows an ordinary user to enter a random Pakistani mobile number and retrieve the subscriber's complete private information.
This distinction is important because searches for SIM owner name, SIM database, number owner details and similar terms can lead to websites claiming to reveal CNIC numbers, addresses or other personal information. Such claims should not be confused with the official PTA SIM Information System.
If you need to establish who owns a number for a legitimate reason, use the appropriate telecom, legal or law-enforcement channel. Do not enter someone else's number or your own CNIC into an unknown database simply because it promises instant personal details.
If an Unknown SIM Is Registered in Your Name
Finding an unfamiliar SIM against your CNIC should not be ignored. PTA has specifically advised consumers to regularly check the SIMs registered under their identity and to have unknown, unnecessary or suspicious connections blocked.
If the online or SMS check shows a connection you do not recognise:
- Identify the network against which the unexpected SIM appears.
- Reach out to that operator through their official customer service or visit an authorized franchise
- Ask them to verify and block the unauthorized connection
- Keep your CNIC and any complaint reference numbers handy
- If it's still not resolved, file a complaint through PTA's own system
PTA has also advised consumers to obtain SIMs through authorised franchises or customer service centres rather than informal sellers.
SIM Registration, Biometric Verification and Security
Every mobile SIM in Pakistan ties back to the identity info used during registration, which is exactly why handing out your CNIC or biometric info carelessly can land you in trouble.
PTA's National Telecom Security information warns against illegal SIM issuance and advises consumers to periodically check the SIMs issued against their CNIC. It also recommends obtaining SIMs from cellular franchises instead of unauthorised kiosks or door-to-door sellers.
Never allow an unknown person to use your biometric information simply by claiming that they need it for a free SIM, prize, survey or another offer. Your identity information should only be provided through a legitimate and clearly identified telecom process.
PTA Complaint for Unauthorised SIMs
If a mobile operator does not resolve an unauthorised SIM registration or another telecom-related issue, the matter can be taken to PTA through its complaint mechanism. PTA has recently reminded consumers that unauthorised SIMs should be reported and has promoted its helpline and online complaint portal for SIM-related issues.
For a complaint, keep the relevant information ready, such as your CNIC, mobile network, details of the unexpected SIM registration and any complaint/reference number provided by the operator.
FAQs
How can I check SIMs registered against my CNIC?
Visit the official PTA SIM Information System at www.cnic.sims.pk, enter your 13-digit CNIC and complete the verification. You can also send your CNIC without dashes to 668.
Can I check someone else's SIM owner details online?
No public PTA service allows users to retrieve another person's private CNIC, address or complete subscriber record by entering their mobile number.
What should I do if I find an unknown SIM on my CNIC?
Contact the relevant mobile operator and request verification and blocking of the unauthorised SIM.
Is it safe to use third-party SIM database websites?
It is better to avoid websites that claim to reveal private CNIC, address or owner information from a mobile number. Entering personal information into unofficial services can expose you to scams phishing and identity theft.
Is the PTA SIM Information System free?
The online portal's free to access. For SMS, charges may apply depending on your service and operator, PTA's guidance specifically notes that 668 might come with a cost.