exting your CNIC to 668 is easy. Understanding the message that comes back is where most people get stuck. The reply is compressed, formatted for SMS, and offers no explanation of what it is telling you.
This guide unpacks it — what the service is, how to read the response, and which numbers should worry you.
What the 668 Service Actually Is
668 is a PTA-operated short code that queries the central record of SIM registrations tied to a CNIC. It is not a service run by Jazz, Zong, Telenor, or Ufone individually. That distinction matters, because it means one message returns a picture across every network at once, rather than only the operator whose SIM you happen to be using.
You send your 13-digit CNIC number, with no dashes and no spaces. The system looks up that identity and replies with the count of connections registered against it.
How to Read the Response
The reply is typically structured as a per-network breakdown followed by a total. In plain terms, it tells you how many connections exist in your name on each of the major operators, and how many that adds up to overall.
Read it in three passes. First, look at the total and compare it to the number of SIMs you believe you have. Second, look at the per-network split and check whether any operator shows connections you never signed up with — a count against a network you have never used is the clearest single red flag. Third, consider whether the numbers include SIMs you genuinely registered but forgot about, such as an old data SIM in a drawer or a connection you set up for a relative.
Most discrepancies turn out to be the third category. But you cannot know that until you have accounted for each one.
Common Confusions
A count higher than expected does not automatically mean fraud. Abandoned SIMs stay registered until formally cancelled. A SIM you stopped topping up years ago may still appear.
A SIM you use but did not register yourself may not appear under your CNIC. If a family member registered a connection in their own name and gave you the handset, it counts against theirs, not yours.
The reply reflects registration, not activity. It tells you what is in your name, not which connections are currently in use or what they are being used for.
Different SIM types generally count toward the same identity. Voice and data connections registered under your CNIC are recorded against that CNIC, so a data-only SIM is not automatically invisible to the count.
When the Numbers Do Not Add Up
If, after accounting honestly for every connection you can remember, the total is still higher than it should be, treat the surplus as unauthorised until proven otherwise. That means visiting the franchise of the network showing the unexplained connections, with your original CNIC, and asking for those SIMs to be blocked after biometric verification.
Do not delay this on the assumption that it is probably nothing. A SIM in your name that you do not control is a liability, and the cost of checking is a short queue.
What the Service Will Not Tell You
The 668 reply reports counts, not identities. It does not name whoever registered an unauthorised SIM, does not show the numbers themselves in full detail, and does not reveal what those connections have been used for. That information sits with the operators and the regulator, and access to it runs through formal channels rather than a public SMS service.
If a specific unknown number has been contacting you, a lookup such as the number trace tool can surface the basic details a legitimate query returns, but it will not unmask a stranger's private identity, and no service honestly can.
Verify the Identity Behind It All
The SIM count is only meaningful if the CNIC it is tied to is itself valid and unrestricted. Confirm that with DB Center's CNIC verification tool, which reports active, expired, or blocked status in seconds.
If you are weighing up which connections to keep after the audit, coverage is the deciding factor for most people. The Telenor coverage map and the Ufone coverage map show operator reach by area, which is more useful than reputation when choosing what to retire. For cross-referencing any partial details you have gathered along the way, a general identity search can help you piece them together.
The Short Version
668 is a PTA short code that returns the number of SIMs registered to a CNIC across all networks. Read the total first, then the per-network split, then account for forgotten connections. Unexplained SIMs — especially on a network you have never used — warrant a franchise visit with your original CNIC. The service reports counts only; it will not tell you who registered an unauthorised SIM or what it was used for.