How to Check CNIC SIM Number Online in Pakistan

February 6, 2025 Mahi Bukhari

Introduction

In Pakistan, every individual is required to register their SIM card (Subscriber Identity Module) with their CNIC (Computerized National Identity Card) as per the regulations set by the Pakistan Telecommunication Authority (PTA). If you want to check how many SIM cards are registered under your CNIC or verify your mobile number details, you can easily do so online.

This guide provides a step-by-step process on how to check your CNIC SIM number online, including different methods, PTA policies, and frequently asked questions.

Why is Checking CNIC SIM Numbers Important?

Ensuring that your CNIC is linked only to legitimate SIM cards is crucial for security reasons. Some key reasons why you should regularly check the SIMs registered to your CNIC include:

Avoiding fraudulent activities linked to unauthorized SIM cards.
Ensuring compliance with PTA’s regulations.
Blocking unauthorized SIMs that you are unaware of.
Preventing identity theft by ensuring no illegal SIMs are being used under your CNIC.
Keeping track of active SIMs under your identity.

How to Check CNIC SIM Number Online?

There are several methods to check how many SIMs are registered under your CNIC number. Below are the most reliable ways:

Method 1: Check CNIC SIM Number via PTA Website

One of the easiest ways to check your registered SIM numbers is through the PTA SIM Information System. Follow these steps:

Step 1: Visit the PTA SIM Information Portal

Go to the official Pakistan Telecommunication Authority (PTA) SIM Check website:
👉 https://cnic.sims.pk/

Step 2: Enter Your CNIC Number

In the provided field, enter your CNIC number (without dashes).
Solve the captcha verification to confirm that you are a real user.

Step 3: Click on “Submit”

Once you click submit, the system will process your request and display:

The number of active SIMs registered under your CNIC.
The names of mobile operators (Jazz, Zong, Telenor, Ufone) associated with your SIMs.

Method 2: Check CNIC SIM Number via SMS

If you don’t have internet access, you can check your SIM number via SMS.

Step 1: Open Your Messaging App

Go to your phone’s messaging application.

Step 2: Compose a New SMS

Type your CNIC number (without dashes) in the message body.

Step 3: Send SMS to 668

Send the SMS to 668 (PTA’s official number for SIM verification).
You will receive an SMS reply containing a list of active SIMs registered under your CNIC along with their respective network providers.

📌 Note: PTA may charge a small fee for this service.

Method 3: Check CNIC SIM Number via Mobile Network Operators

Each telecom operator in Pakistan provides a separate method to check the SIM numbers registered under your CNIC.

1. Jazz (Mobilink) – How to Check SIM on CNIC

Dial *6001# and follow the instructions.
Alternatively, send your CNIC (without dashes) to 6001 via SMS.

2. Zong – How to Check SIMs Linked to Your CNIC

Dial *310# and follow the on-screen instructions.
Send an SMS with your CNIC number to 668.

3. Telenor – Verify SIMs on Your CNIC

Dial 3458# from your Telenor number.
Send your CNIC number to 668 via SMS.

4. Ufone – Check Active SIMs on CNIC

Dial *336#, select option “4” for verification.
Send an SMS with your CNIC number to 668.

How to Block Unauthorized SIMs Registered on Your CNIC?

If you notice any unauthorized SIM cards registered under your CNIC, you should immediately block them to avoid potential misuse.

Steps to Block Unwanted SIMs from Your CNIC

Visit the nearest franchise or customer service center of the concerned network operator.
Provide your original CNIC for verification.
Request to block the unauthorized SIMs registered under your CNIC.
The network operator will proceed with the biometric verification and block the unwanted SIMs.
You will receive a confirmation message once the SIMs are deactivated.

PTA Rules & Regulations on SIM Registration

The Pakistan Telecommunication Authority (PTA) has strict rules regarding SIM registration and CNIC verification.

Each individual can register a maximum of 5 SIM cards per CNIC.
Biometric verification is mandatory for issuing new SIMs.
Unregistered or unauthorized SIMs will be blocked by PTA.
CNIC holders are responsible for ensuring that no illegal SIMs are linked to their identity.

📌 Tip: Regularly check the number of SIMs linked to your CNIC to prevent identity theft or fraud.

FAQs (Frequently Asked Questions)

1. How many SIMs can I register on my CNIC?

As per PTA regulations, you can register a maximum of 5 SIM cards under a single CNIC.

2. Is it free to check my CNIC SIM number online?

Yes, checking your SIM numbers via the PTA website is free. However, checking via SMS (668) may include a small service charge.

3. Can I check someone else’s SIM number using their CNIC?

No, for privacy and security reasons, you can only check the SIMs registered under your own CNIC.

4. How can I block an unknown SIM registered to my CNIC?

Visit the nearest mobile franchise or customer care center with your original CNIC and request biometric verification to block any unauthorized SIMs.

5. What happens if I don’t block unauthorized SIMs on my CNIC?

If an illegal SIM is linked to your CNIC and used for fraudulent activities, you may face legal consequences. Always ensure that only your authorized SIMs are registered under your name.

Conclusion

Checking the SIM numbers registered on your CNIC is crucial for security and compliance with PTA regulations. By following the online portal method, SMS verification, or mobile network USSD codes, you can easily monitor the SIMs under your identity.

If you find any unauthorized SIMs, make sure to block them immediately to avoid potential misuse. Stay vigilant and regularly verify your registered SIMs to prevent fraud and identity theft.

For further details, always refer to PTA’s official website or contact your respective network provider.