Sim Information System

Sim Information System

An online service that allows users to check the number of mobile SIMs registered against their CNIC and verify SIM ownership information through Pakistan’s telecom verification system. PTA guidance advises users to periodically check the SIMs issued in their name by sending their CNIC number to 668. Application / Usage Process: Open the SIM Information System. Enter your CNIC information. Submit the verification request. View the SIM registration information.

service status

Active

Helpline

0800-55055

location

Pakistan Telecommunication Authority (PTA), Islamabad, Pakistan

Required Documents

  • CNIC number
  • Pakistani citizens who want to check SIMs registered against their CNIC.

Services Available

verification

Processing Time

Immediate / Online

Service Fee

Free

Quick Answer

How do I check how many SIMs are on my CNIC?
 Send your 13-digit CNIC number without dashes or spaces by SMS to 668, or use PTA’s online SIM Information System at cnic.sims.pk. [verify the current link] The SMS service is reported to cost Rs. 2 including taxes. If you find a SIM you don’t recognise, ask your mobile operator to block it. [verify the current cost and steps]

SIM Information System: How to Check How Many SIMs Are Registered on Your CNIC

Not an official government website. We’re an independent guide. Use only PTA’s official service and your mobile operator.

What Is the SIM Information System?

Worried someone else is using your identity for a SIM? The PTA (Pakistan Telecommunication Authority) launched the SIM Information System (668) in 2013 so that mobile users can find out how many SIMs are registered against their CNIC with each operator. It provides an internet and SMS interface for end users to retrieve registered SIM information.

PTA’s chairman said at launch that it would let subscribers get unused or unauthorised SIMs blocked. [verify that the service is unchanged]

How Do I Check by SMS? (Step by Step)

  1. Open your SMS app.
  2. Type your CNIC number with no dashes or spaces.
  3. Send it to 668.
  4. Read the reply, which shows the number of SIMs against your CNIC, per operator.

 

Cost: reported as Rs. 2 per SMS, inclusive of taxes. [verify the current charge]

How Do I Check Online?

  1. Open the SIM Information System page (cnic.sims.pk). [verify the link before publishing]
  2. Enter your full CNIC number without hyphens.
  3. Complete the “not a robot” check.
  4. Click Submit and view the list of SIMs by operator.

What If I See a SIM That Isn’t Mine?

The service is meant to help you correct unauthorised numbers. Dawn quotes PTA saying that if there are unauthorised numbers against your CNIC, you can get the data corrected from the operator’s customer service centre.

  1. Note the operator and details from the PTA reply.
  2. Visit that operator’s franchise or customer service centre. Take your original CNIC. [verify the documents and forms]
  3. Ask them to block the SIM (or, if it’s yours but unused, to deactivate it).
  4. Keep the receipt or confirmation.
  5. If the operator doesn’t act, escalate to PTA’s complaint system. [verify the process] See our PTA stolen phone guide for PTA’s complaint portal.

How Many SIMs Can I Have?

Zameen says a person can have a maximum of five SIM cards registered under one CNIC. Another blog mentions five for voice and three for data. [verify the current limits on PTA’s site] If you’re at the limit and need a new SIM, you’ll need to block or cancel an old one first.

What About Biometric Verification?

Zameen notes that to prevent your registered SIM from being blocked, you should make sure it’s biometrically verified. [verify the current rules and the process for re-verification]

Can I Find Out Who Owns a Phone Number?

I couldn’t find an official public PTA tool that tells you the owner’s name for a given number. Some websites and apps (called “SIM databases”) claim to, but they aren’t official, and using them raises privacy and legal risks. [Don’t recommend third-party “SIM owner” apps on your page.]

If you’re getting threatening or fraudulent calls, report the number to the police or your operator and file a complaint with PTA instead. [verify the official reporting channels]

Tips

  • Check your CNIC every few months, and after losing your CNIC or phone.
  • Never share a photo of your CNIC casually. It can be misused for SIM registration.
  • Block SIMs you no longer use.
  • Keep your operator’s receipt when you block a SIM.
  • Use only the official PTA service, not random websites.

How Do I Avoid Scams?

  • Use only 668 and the official PTA portal. Check the web address carefully.
  • Don’t enter your CNIC on unofficial websites or apps that promise “SIM details”.
  • Never share OTPs, PINs or card details with callers claiming to be PTA or your operator.
  • Be wary of messages threatening to “block your SIM” unless you click a link.

Frequently Asked Questions

1. How do I check SIMs on my CNIC?
SMS your CNIC to 668, or use the SIM Information System online. [verify]

2. How much does the 668 SMS cost?
Reported as Rs. 2 including taxes. [verify]

3. How many SIMs can I have on one CNIC?
Reported as five. [verify the current limit]

4. How do I block a SIM I don’t recognise?
Visit the operator’s customer service centre with your original CNIC. [verify]

5. Can PTA tell me who owns a number?
I found no official public tool for that. Don’t rely on third-party “SIM owner” apps.

6. Does the SIM Information System show SIMs by operator?
Yes, the reply is reported to list SIMs per operator.

7. Is this the official PTA website?
No. We’re an independent guide. Use the official PTA service.